11733644
Descripción
Test por YouTube Channel, actualizado hace más de 1 año
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Creado por YouTube Channel
hace más de 6 años
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Pregunta 1
Pregunta
1. What is the output of print str if str = 'Hello World!'?
Respuesta
-
Hello World
-
Hello World!
-
World
-
‘Hello World!’
Pregunta 2
Pregunta
What is the output of print str * 2 if str = 'Hello World!'?
Respuesta
-
Hello World
-
Hello World! Hello World!
-
World
-
‘Hello World! Hello World
Pregunta 3
Pregunta
Which of the following is correct about dictionaries in python?
Respuesta
-
Python's dictionaries are kind of hash table type
-
They work like associative arrays or hashes found in Perl and consist of key-value pairs
-
A dictionary key can be almost any Python type, but are usually numbers or strings. Values, on the other hand, can be any arbitrary Python object
-
All of the above
Pregunta 4
Pregunta
What is the output of print tinylist * 2 if tinylist = [123, 'john']?
Respuesta
-
[123, ‘john’, 123, ‘john’]
-
[123, 'john'] * 2
-
Error
-
[123, 'john']
Pregunta 5
Pregunta
What is the output of print str[2:] if str = 'Hello World!'?
Respuesta
-
llo World!
-
H
-
llo
-
Hello World!
Pregunta 6
Pregunta
What is the output of len([1, 2, 3])?
Respuesta
-
1
-
2
-
3
-
4
Pregunta 7
Pregunta
What is the output of print str * 2 if str = 'Hello World!'?
Respuesta
-
Hello World!Hello World!
-
Hello World! * 2
-
error
-
2
Pregunta 8
Pregunta
Which of the following function convert an integer to a character in python?
Respuesta
-
set(x)
-
dict(d)
-
frozenset(s)
-
chr(x)
Pregunta 9
Pregunta
Which of the following function checks in a string that all characters are in lowercase?
Respuesta
-
islower()
-
isnumeric()
-
isspace()
-
istitle()
Pregunta 10
Pregunta
Which of the following function returns the max alphabetical character from the string str?
Respuesta
-
lower()
-
lstrip()
-
max(str)
-
min(str)
Pregunta 11
Pregunta
Which of the following is correct about Python?
Respuesta
-
It supports functional and structured programming methods as well as OOP.
-
It can be used as a scripting language or can be compiled to byte-code for building large applications.
-
It provides very high-level dynamic data types and supports dynamic type checking.
-
All of the above
Pregunta 12
Pregunta
What is the output of L[1:] if L = [1,2,3]?
Respuesta
-
2,3
-
2
-
3
-
None of the above.
Pregunta 13
Pregunta
What is the output of L[-2] if L = [1,2,3]?
Respuesta
-
1
-
2
-
3
-
-2
Pregunta 14
Pregunta
What is the following function sorts a list?
Respuesta
-
list.reverse()
-
list.sort()
-
list.pop(obj=list[-1])
-
list.remove(obj)
Pregunta 15
Pregunta
State the output that would be produced from the following statement, when written in Python code: print “3”+”3”
Respuesta
-
33
-
3
-
6
-
333
Pregunta 16
Pregunta
State the output that would be produced from the following statement, when written in Python code: print 3+3
Respuesta
-
33
-
3
-
6
-
333
Pregunta 17
Pregunta
State the output that would be produced from the following statement, when written in Python code: print “3” * 3
Respuesta
-
33
-
3+3
-
6
-
333
Pregunta 18
Pregunta
What is the output of print str[2:5] if str = 'Hello World!'?
Respuesta
-
llo World!
-
H
-
llo
-
None of the above.
Pregunta 19
Pregunta
Which of the following function converts a string to all uppercase?
Respuesta
-
upper()
-
isdecimal()
-
swapcase()
-
title()
Pregunta 20
Pregunta
Which of the following function converts a string to all lowercase?
Respuesta
-
upper()
-
isdecimal()
-
lower()
-
title()
Pregunta 21
Pregunta
Functions must be defined first ____________ they can be called
Respuesta
-
Before
-
After
-
Between
-
At the same time
Pregunta 22
Pregunta
What is the output of for x in [1, 2, 3]: print x?
Respuesta
-
X x x
-
1 2 3
-
Error
-
1,2,3
Pregunta 23
Pregunta
What is the output when following statement is executed print “a”+ “bc” ?
Respuesta
-
A
-
a
-
abc
-
bc
Pregunta 24
Pregunta
What is the output when we execute print (list("hello"))?
Respuesta
-
[‘h’, ’e’, ’l’, ‘l’, ‘o’]
-
[‘hello’]
-
[‘llo’]
-
{‘hello’}
Pregunta 25
Pregunta
What is the output from the following code str1="helloworld", str1[::-1]?
Respuesta
-
dlrowolleh
-
hello
-
world
-
helloworld
Pregunta 26
Pregunta
Suppose list1 is [2, 33, 222, 14, 25], What is list1[:-1]?
Respuesta
-
[2, 33, 222, 14]
-
Error
-
25
-
[25, 14, 222, 33, 2]
Pregunta 27
Pregunta
Which of the following is a Python tuple?
Respuesta
-
[1, 2, 3]
-
(1, 2 ,3)
-
{1, 2, 3}
-
{}
Pregunta 28
Pregunta
Is Python case sensitive when dealing with identifiers?
Respuesta
-
Yes
-
No
Pregunta 29
Pregunta
Which of the following cannot be a variable?
Respuesta
-
__init__
-
in
-
it
-
on
Pregunta 30
Pregunta
Supports ‘Last in, first out’ ordering of data
Respuesta
-
Queue
-
Stack
-
Tuple
-
Dictionary
Pregunta 31
Pregunta
Which of the following is correct output of “print type(1/2)”?
Respuesta
-
<type 'int'>.
-
<type 'number'>
-
<type 'float'>
-
<type 'double'>
-
<type 'tuple'>
Pregunta 32
Pregunta
Which of the following is correct output of “print type([1,2])”?
Respuesta
-
<type 'list'>
-
<type 'number'>
-
<type 'float'>
-
<type 'double'>
-
<type 'tuple'>
Pregunta 33
Pregunta
Which of the following is correct output of “import math print(math.floor(5.6))”?
Respuesta
-
6
-
5.5
-
5.0
-
5
Pregunta 34
Pregunta
Which of the following is correct output of “colors = [‘Red’, ‘Black’, ‘White’, ‘Green’] x = colors.index(“White”) print(x)”?
Respuesta
-
2
-
3
-
1
-
4
Pregunta 35
Pregunta
Which of the following is correct output of “x = 12 y = 18 x = y y = x print(x,y)”?
Respuesta
-
12 18
-
18 18
-
12 12
-
18 12
Pregunta 36
Pregunta
Which of the following is correct output of “x = ‘abcd’ y = 10 print(x+y)”?
Respuesta
-
10
-
abcd10
-
abcd
-
10abcd
Pregunta 37
Pregunta
Which of the following is correct output of “colors = [‘Red’, ‘Black’, ‘White’, ‘Green’] print(colors[-2][-2])”?
Respuesta
-
n
-
en
-
c
-
t
Pregunta 38
Pregunta
Which of the following statement is Python comment?
Respuesta
-
*This is a Python comment
-
#This Is a Python comment
-
none of the above
-
//This is a Python comment
Pregunta 39
Pregunta
Which of the following code will add a new color ‘Black’ at the end of the list?
Respuesta
-
colors.insert('black')
-
colors.add('black')
-
colors.append('black')
-
colors+=('black')
Pregunta 40
Pregunta
Which of the following expression is called for an user input?
Respuesta
-
input
-
read
-
none of the above
-
for
Pregunta 41
Pregunta
Which of the following is correct output of “colors = [‘red’, ‘white’, ‘Blue’, ‘green’] print(colors[-2])?
Respuesta
-
'white'
-
'blue'
-
'red'
-
'green'
Pregunta 42
Pregunta
Which of the following is correct output of “print(type([1,2,3]))”?
Respuesta
-
<class 'list'>
-
<class 'tuple'>
-
<class 'set'>
-
<class 'type'>
Pregunta 43
Pregunta
Which of the following is correct about Python?
Respuesta
-
python is a high-level, interpreted, interactive and object-oriented scripting language
-
python is designed to be highly readable
-
it uses English keywords frequently where as other languages use punctuation, and it has fewer syntactical constructions than other languages
-
all Of The Above
Pregunta 44
Pregunta
Is python a case sensitive language?
Respuesta
-
True
-
False
Pregunta 45
Pregunta
Which of the following data types is not supported in python?
Respuesta
-
numbers
-
string
-
list
-
slice
Pregunta 46
Pregunta
Which of the following data types is not supported in python?
Respuesta
-
tuple
-
dictionary
-
generics
-
list
Pregunta 47
Pregunta
What is the output of print str if str = 'Hello World!'?
Respuesta
-
Hello World!
-
error
-
str
-
none of the above
Pregunta 48
Pregunta
What is the output of print str[0] if str = 'Hello World!'?
Respuesta
-
Hello World!
-
H
-
ello World!
-
str
Pregunta 49
Pregunta
What is the output of print str[2:5] if str = 'Hello World!'?
Respuesta
-
Hello World!
-
llo World!
-
H
-
llo
Pregunta 50
Pregunta
_________________ in Python are identified as a contiguous set of characters in between quotation marks
Respuesta
-
numbers
-
strings
-
list
-
tuple
Pregunta 51
Pregunta
What is the output of print list if list = [ 'abcd', 786, 2.23, 'john', 70.2]?
Respuesta
-
[ 'abcd', 786, 2.23, 'john', 70.2]
-
list
-
error
-
[ 'abcd', 786, 2.23, 'john']
Pregunta 52
Pregunta
What is the output of print list[0] if list = [ 'abcd', 786, 2.23, 'john', 70.2]?
Respuesta
-
[ 'abcd', 786, 2.23, 'john', 70.2]
-
list
-
error
-
[ 'abcd']
Pregunta 53
Pregunta
What is the output of print list[1:3] if list = [ 'abcd', 786, 2.23, 'john', 70.2]?
Respuesta
-
[ 'abcd', 786, 2.23, 'john', 70.2]
-
list
-
[786, 2.23, 'john']
-
[ 'abcd']
Pregunta 54
Pregunta
What is the output of print list[2:] if list = [ 'abcd', 786, 2.23, 'john', 70.2]?
Respuesta
-
[ 'abcd', 786, 2.23, 'john', 70.2]
-
[786, 2.23, 'john', 70.2]
-
[2.23, 'john', 70.2]
-
[ 'abcd']
Pregunta 55
Pregunta
What is the output of print tinylist * 2 if tinylist = [123, 'john']?
Respuesta
-
[123, 'john', 123, 'john']
-
[123, 'john'] * 2
-
Error
-
[123]
Pregunta 56
Pregunta
Which of the following operator in python performs exponential (power) calculation on operands?
Respuesta
-
**
-
//
-
is
-
not in
Pregunta 57
Pregunta
Which of the following function changes case for all letters in string?
Respuesta
-
swap(old, new [, max])
-
strip([chars])
-
swapcase().
-
title()
Pregunta 58
Pregunta
What is the output of ['Hi!'] * 4?
Respuesta
-
['Hi!', 'Hi!', 'Hi!', 'Hi!']
-
['Hi!'] * 4
-
Error
-
none of the above
Pregunta 59
Pregunta
What is the following function sorts a list?
Respuesta
-
list.reverse()
-
list.sort([func])
-
list.pop(obj=list[-1])
-
list.remove(obj)
Pregunta 60
Pregunta
Following set of commands are executed in shell, what will be the output? >>>str="Hello" >>>str[:2]
Respuesta
-
He
-
lo
-
olleh
-
hello
Pregunta 61
Pregunta
What kind of error occurs when you execute the following code apple = mango?
Respuesta
-
Syntaxerror
-
Nameerror
-
Valueerror
-
Typeerror
Pregunta 62
Pregunta
Select all options that will correctly print “hello-how-are-you”?
Respuesta
-
print(‘hello’, ‘how’, ‘are’, ‘you’)
-
print(‘hello’, ‘how’, ‘are’, ‘you’ + ‘-‘ * 4)
-
print(‘hello-‘ + ‘how-are-you’)
-
print(‘hello’, ‘how’, ‘are’)
Pregunta 63
Pregunta
What is the answer of this expression, 22 % 3?
Respuesta
-
7
-
1
-
0
-
5
Pregunta 64
Pregunta
You can’t perform mathematical operation on String?
Respuesta
-
True
-
False
Pregunta 65
Pregunta
Operators with the same precedence are evaluated in which manner?
Respuesta
-
left to right
-
right to left
Pregunta 66
Pregunta
How will you get ‘min’ alphabetical character from the string?
Respuesta
-
min(str)
-
max(str)
-
min(int)
-
lower()
Pregunta 67
Pregunta
How will you get ‘max’ alphabetical character from the string?
Respuesta
-
min(str)
-
max(str)
-
min(int)
-
lower()
Pregunta 68
Pregunta
How will you convert a string to all lowercase?
Respuesta
-
min(str)
-
max(str)
-
min(int)
-
lower()
Pregunta 69
Pregunta
Which of the following is invalid?
Respuesta
-
_a = 1
-
__a = 1
-
__str__ = 1
-
a% = 1
Pregunta 70
Pregunta
Which of the following is an invalid variable?
Respuesta
-
my_string_1
-
1st_string
-
foo
-
alua
Pregunta 71
Pregunta
Why are local variable names beginning with an underscore discouraged?
Respuesta
-
They Are Used To Indicate a Private Variables of a Class
-
They confuse the interpreter
-
They are used to indicate global variables
-
They slow down execution
Pregunta 72
Pregunta
Which of the following is not a keyword?
Respuesta
-
eval
-
assert
-
nonlocal
-
pass
Pregunta 73
Pregunta
All keywords in Python are in
Respuesta
-
lower case
-
upper case
-
Capitalized
-
none
Pregunta 74
Pregunta
Which of the following is true for variable names in Python?
Respuesta
-
Unlimited length
-
All private members must have leading and trailing underscores
-
Underscore and ampersand are the only two special characters allowed
-
none
Pregunta 75
Pregunta
Which of the following is an invalid statement?
Respuesta
-
abc = 1,000,000
-
a b c = 1000.2000.3000
-
a,b,c = 1000, 2000, 3000
-
a_b_c = 1,000,000
Pregunta 76
Pregunta
Which of the following cannot be a variable?
Respuesta
-
__init__
-
in
-
it
-
on
Pregunta 77
Pregunta
What does the function re.match do?
Respuesta
-
Matches a Pattern at the Start of the String
-
matches a pattern at any position in the string
-
such a function does not exist
-
none of the mentioned
Pregunta 78
Pregunta
Which of the following is incorrect?
Respuesta
-
float(‘inf’)
-
float(‘nan’)
-
float(’56’+’78’)
-
float(’12+34′)
Pregunta 79
Pregunta
Int(x) means variable x is converted to integer
Respuesta
- True
- False
Pregunta 80
Pregunta
Can You perform mathematical operation with String?
Respuesta
-
Yes
-
No
-
None
-
Both
Pregunta 81
Pregunta
Which of the following logical operator is correct for definition “If both the operands are true then then condition becomes true”
Respuesta
-
And
-
No correct answer
-
Not
-
In
Pregunta 82
Pregunta
Which of the following logical operator is correct for definition “If both the operands are false then then condition becomes true”
Respuesta
-
And
-
No correct answer
-
Not
-
OR
Pregunta 83
Pregunta
Which of the following logical operator is correct for definition “If one of the operands is false, second is true then condition becomes false”
Respuesta
-
And
-
No correct answer
-
IN
-
OR
Pregunta 84
Pregunta
Which of the following logical operator is correct for definition “If one of the operands is false, second is true then condition becomes true”
Respuesta
-
And
-
No correct answer
-
IN
-
OR
Pregunta 85
Pregunta
Checks if the value of left operand is greater than the value of right operand, if yes then condition becomes true
Respuesta
-
>
-
<
-
>=
-
<=
Pregunta 86
Pregunta
Checks if the value of left operand is less than the value of right operand, if yes then condition becomes true
Respuesta
-
>
-
<
-
>=
-
<=
Pregunta 87
Pregunta
Checks if the value of left operand is greater than or equal to the value of right operand, if yes then condition becomes true
Respuesta
-
>
-
<
-
>=
-
<=
Pregunta 88
Pregunta
Checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true
Respuesta
-
>
-
<
-
>=
-
<=
Pregunta 89
Pregunta
Choose the correct expressing computations definition for “Get data from the keyboard, a file, or some other device”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 90
Pregunta
Choose the correct expressing computations definition for “Display data on the screen or send data to a file or other device”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 91
Pregunta
Choose the correct expressing computations definition for “Perform basic mathematical operations like addition and multiplication”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 92
Pregunta
Choose the correct expressing computations definition for “Check for certain conditions and execute the appropriate code”
Respuesta
-
Input
-
Output
-
Conditional logic
-
Repetition
Pregunta 93
Pregunta
Choose the correct expressing computations definition for “Perform some action repeatedly, usually with some variation”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 94
Pregunta
Choose the correct definition for High level code
Respuesta
-
Syntax a specific type of computer can understand
-
Also known as Assembly or Machine Code
-
Rare to directly create now
-
Human friendly syntax
Pregunta 95
Pregunta
_________________is a name that refers to a value
Respuesta
-
Variable
-
Name
-
Value
-
Nothing
Pregunta 96
Pregunta
_______________________is used to create variables and to give them values
Respuesta
-
Assignment statement
-
Variable
-
Naming
-
Statement
Pregunta 97
Pregunta
We can use the ______________ function to check the type of a variable
Respuesta
-
Type()
-
Check()
-
Variable()
-
Str()
Pregunta 98
Pregunta
We can alter the type of a variable using the following functions, which is “converts variable to a string”
Respuesta
-
Type()
-
Int()
-
Float()
-
Str()
Pregunta 99
Pregunta
We can alter the type of a variable using the following functions, which is “converts variable to a integer”
Respuesta
-
Type()
-
Int()
-
Float()
-
Str()
Pregunta 100
Pregunta
We can alter the type of a variable using the following functions, which is “converts variable to a float”
Respuesta
-
Type()
-
Int()
-
Float()
-
Str()
Pregunta 101
Pregunta
Choose the keyword that cannot be used as names for variables as they already have a meaning and purpose.
Respuesta
-
def
-
definition
-
purpose
-
printing
Pregunta 102
Pregunta
Lists are a commonly used, simple compound data type in Python, choose the correct answer for “index starts at 0”
Respuesta
-
mylist[0]
-
mylist[-1]
-
mylist[2:4]
-
mylist[1]
Pregunta 103
Pregunta
Lists are a commonly used, simple compound data type in Python, choose the correct answer for “reversing from the last value”
Respuesta
-
mylist[0]
-
mylist[-1]
-
mylist[2:4]
-
mylist[1]
Pregunta 104
Pregunta
Lists are a commonly used, simple compound data type in Python, choose the correct answer for “subset of the values”
Respuesta
-
mylist[0]
-
mylist[-1]
-
mylist[2:4]
-
mylist[1]
Pregunta 105
Pregunta
in python we use data type, that has keys with values called?
Respuesta
-
Lists
-
Dictionaries
-
Dairies
-
Compounds
Pregunta 106
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, how to print everything from the dictionary?
Respuesta
-
print numbers
-
telnumbers
-
telnumbers[‘alex’]
-
telnumbers.keys()
Pregunta 107
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, how to print dictionary keys?
Respuesta
-
print numbers
-
telnumbers
-
telnumbers[‘alex’]
-
telnumbers.keys()
Pregunta 108
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, how to print Alex’s telephone number?
Respuesta
-
print numbers[‘alex’]
-
telnumbers
-
telnumbers[‘alex’]
-
telnumbers.keys()
Pregunta 109
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, which of the following is the dictionary key?
Respuesta
-
‘john’
-
756
-
'alua’
-
numbers.keys
Pregunta 110
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, which of the following is the dictionary value?
Respuesta
-
‘john’
-
756
-
‘456’
-
numbers.keys
Pregunta 111
Pregunta
choose the correct definition for ‘syntax error’
Respuesta
-
The structure or tokens in the code are wrong
-
An operation is applied to data of the wrong type
-
Referring to a variable that has not been assigned a value
-
None of the mentioned
Pregunta 112
Pregunta
choose the correct definition for ‘type error’
Respuesta
-
The structure or tokens in the code are wrong
-
An operation is applied to data of the wrong type
-
Referring to a variable that has not been assigned a value
-
None of the mentioned
Pregunta 113
Pregunta
choose the correct definition for ‘name error’
Respuesta
-
The structure or tokens in the code are wrong
-
An operation is applied to data of the wrong type
-
Referring to a variable that has not been assigned a value
-
None of the mentioned
Pregunta 114
Pregunta
Functions must be defined ___________ they can be called?
Respuesta
-
After
-
Before
-
Instead
-
With def keyword
Pregunta 115
Pregunta
Which of the following is the use of function in python?
Respuesta
-
Functions are reusable pieces of programs
-
Functions don’t provide better modularity for your application
-
you can’t also create your own functions
-
All of the mentioned
Pregunta 116
Pregunta
Which keyword is use for function?
Respuesta
-
Fun
-
Define
-
Def
-
Function
Pregunta 117
Respuesta
-
Hello World! Hello World!
-
‘Hello World!’ ‘Hello World!’
-
Hello Hello
-
None of the mentioned
Pregunta 118
Respuesta
-
3
-
4
-
4 is maximum
-
3 is maximum
Pregunta 119
Respuesta
-
x is 50 Changed global x to 2 Value of x is 50
-
x is 50 Changed global x to 2 Value of x is 2
-
x is 50 Changed global x to 50 Value of x is 50
-
x is 50 Changed global x to 50 Value of x is 2
Pregunta 120
Pregunta
Which are the advantages of functions in python?
Respuesta
-
Reducing duplication of code
-
Decomposing complex problems into simpler pieces
-
Improving clarity of the code
-
All of the mentioned
Pregunta 121
Pregunta
What are the two types of functions?
Respuesta
-
Custom function and Built-in function
-
Built-in function and User-Defined function
-
Custom function and System function
-
System function and User-Defined function
Pregunta 122
Pregunta
Where is function defined?
Respuesta
-
Module
-
Class
-
Another function
-
All of the mentioned
Pregunta 123
Respuesta
-
3
-
9
-
27
-
333
Pregunta 124
Respuesta
-
432
-
230400
-
24000
-
430
Pregunta 125
Pregunta
What are the keys? for d = {"john":40, "peter":45}
Respuesta
-
“john”, 40, 45, and “peter”
-
“john” and “peter”
-
40 and 45
-
d = (40:”john”, 45:”peter”)
Pregunta 126
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 127
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 128
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 129
Pregunta
What is the output for code? >> d = {"john":40, "peter":45} >> d["john"]
Respuesta
-
40
-
45
-
John 40
-
Peter 45
Pregunta 130
Pregunta
Suppose d = {“john”:40, “peter”:45}, what happens when retieving a value using d[“susan”]?
Respuesta
-
Since “susan” is not a value in the set, Python raises a KeyError exception.
-
It is executed fine and no exception is raised, and it returns None.
-
Since “susan” is not a key in the set, Python raises a KeyError exception.
-
Since “susan” is not a key in the set, Python raises a syntax error.
Pregunta 131
Pregunta
Choose the correct expressing computations definition for “Display data on the screen or send data to a file or other device”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 132
Pregunta
Choose the correct expressing computations definition for “Perform basic mathematical operations like addition and multiplication”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 133
Pregunta
Choose the correct expressing computations definition for “Check for certain conditions and execute the appropriate code”
Respuesta
-
Input
-
Output
-
Conditional logic
-
Repetition
Pregunta 134
Pregunta
Choose the correct expressing computations definition for “Perform some action repeatedly, usually with some variation”
Respuesta
-
Input
-
Output
-
Maths
-
Repetition
Pregunta 135
Pregunta
Choose the correct definition for High level code
Respuesta
-
Syntax a specific type of computer can understand
-
Also known as Assembly or Machine Code
-
Rare to directly create now
-
Human friendly syntax
Pregunta 136
Pregunta
_________________is a name that refers to a value
Respuesta
-
Variable
-
Name
-
Value
-
Nothing
Pregunta 137
Pregunta
_______________________is used to create variables and to give them values
Respuesta
-
Assignment statement
-
Variable
-
Naming
-
Statement
Pregunta 138
Pregunta
We can use the ______________ function to check the type of a variable
Respuesta
-
Type()
-
Check()
-
Variable()
-
Str()
Pregunta 139
Pregunta
We can alter the type of a variable using the following functions, which is “converts variable to a string”
Respuesta
-
Type()
-
Int()
-
Float()
-
Str()
Pregunta 140
Pregunta
We can alter the type of a variable using the following functions, which is “converts variable to a integer”
Respuesta
-
Type()
-
Int()
-
Float()
-
Str()
Pregunta 141
Pregunta
We can alter the type of a variable using the following functions, which is “converts variable to a float”
Respuesta
-
Type()
-
Int()
-
Float()
-
Str()
Pregunta 142
Pregunta
Choose the keyword that cannot be used as names for variables as they already have a meaning and purpose.
Respuesta
-
def
-
definition
-
purpose
-
printing
Pregunta 143
Pregunta
Lists are a commonly used, simple compound data type in Python, choose the correct answer for “index starts at 0”
Respuesta
-
mylist[0]
-
mylist[-1]
-
mylist[2:4]
-
mylist[1]
Pregunta 144
Pregunta
Lists are a commonly used, simple compound data type in Python, choose the correct answer for “reversing from the last value”
Respuesta
-
mylist[0]
-
mylist[-1]
-
mylist[2:4]
-
mylist[1]
Pregunta 145
Pregunta
Lists are a commonly used, simple compound data type in Python, choose the correct answer for “subset of the values”
Respuesta
-
mylist[0]
-
mylist[-1]
-
mylist[2:4]
-
mylist[1]
Pregunta 146
Pregunta
in python we use data type, that has keys with values called?
Respuesta
-
Lists
-
Dictionaries
-
Dairies
-
Compounds
Pregunta 147
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, how to print everything from the dictionary?
Respuesta
-
print numbers
-
telnumbers
-
telnumbers[‘alex’]
-
telnumbers.keys()
Pregunta 148
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, how to print dictionary keys?
Respuesta
-
print numbers
-
telnumbers
-
telnumbers[‘alex’]
-
telnumbers.keys()
Pregunta 149
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, how to print Alex’s telephone number?
Respuesta
-
print numbers[‘alex’]
-
telnumbers
-
telnumbers[‘alex’]
-
telnumbers.keys()
Pregunta 150
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, which of the following is the dictionary key?
Respuesta
-
‘john’
-
756
-
‘alua’
-
numbers.keys
Pregunta 151
Pregunta
There is dictionary called telnumbers = {‘john’: 756, ‘mike’: 789, ‘alex’: 456, ‘sue’: 123}, which of the following is the dictionary value?
Respuesta
-
‘john’
-
756
-
‘456’
-
numbers.keys
Pregunta 152
Pregunta
choose the correct definition for ‘syntax error’
Respuesta
-
The structure or tokens in the code are wrong
-
An operation is applied to data of the wrong type
-
Referring to a variable that has not been assigned a value
-
None of the mentioned
Pregunta 153
Pregunta
choose the correct definition for ‘type error’
Respuesta
-
The structure or tokens in the code are wrong
-
An operation is applied to data of the wrong type
-
Referring to a variable that has not been assigned a value
-
None of the mentioned
Pregunta 154
Pregunta
choose the correct definition for ‘name error’
Respuesta
-
The structure or tokens in the code are wrong
-
An operation is applied to data of the wrong type
-
Referring to a variable that has not been assigned a value
-
None of the mentioned
Pregunta 155
Pregunta
Functions must be defined ___________ they can be called?
Respuesta
-
After
-
Before
-
Instead
-
With def keyword
Pregunta 156
Pregunta
Which of the following is the use of function in python?
Respuesta
-
Functions are reusable pieces of programs
-
Functions don’t provide better modularity for your application
-
you can’t also create your own functions
-
All of the mentioned
Pregunta 157
Pregunta
Which keyword is use for function?
Respuesta
-
Fun
-
Define
-
Def
-
Function
Pregunta 158
Respuesta
-
Hello World! Hello World!
-
‘Hello World!’ ‘Hello World!’
-
Hello Hello
-
None of the mentioned
Pregunta 159
Respuesta
-
3
-
4
-
4 is maximum
-
3 is maximum
Pregunta 160
Respuesta
-
x is 50 Changed global x to 2 Value of x is 50
-
x is 50 Changed global x to 2 Value of x is 2
-
x is 50 Changed global x to 50 Value of x is 50
-
x is 50 Changed global x to 50 Value of x is 2
Pregunta 161
Pregunta
Which are the advantages of functions in python?
Respuesta
-
Reducing duplication of code
-
Decomposing complex problems into simpler pieces
-
Improving clarity of the code
-
All of the mentioned
Pregunta 162
Pregunta
What are the two types of functions?
Respuesta
-
Custom function and Built-in function
-
Built-in function and User-Defined function
-
Custom function and System function
-
System function and User-Defined function
Pregunta 163
Pregunta
Where is function defined?
Respuesta
-
Module
-
Class
-
Another function
-
All of the mentioned
Pregunta 164
Respuesta
-
3
-
9
-
27
-
333
Pregunta 165
Respuesta
-
432
-
230400
-
24000
-
430
Pregunta 166
Pregunta
What are the keys? for d = {"john":40, "peter":45}
Respuesta
-
“john”, 40, 45, and “peter”
-
“john” and “peter”
-
40 and 45
-
d = (40:”john”, 45:”peter”)
Pregunta 167
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 168
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 169
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 170
Pregunta
What is the output for code? >> d = {"john":40, "peter":45} >> d["john"]
Respuesta
-
40
-
45
-
John 40
-
Peter 45
Pregunta 171
Pregunta
Suppose d = {“john”:40, “peter”:45}, what happens when retieving a value using d[“susan”]?
Respuesta
-
Since “susan” is not a value in the set, Python raises a KeyError exception.
-
It is executed fine and no exception is raised, and it returns None.
-
Since “susan” is not a key in the set, Python raises a KeyError exception.
-
Since “susan” is not a key in the set, Python raises a syntax error.
Pregunta 172
Respuesta
-
x is 50 Changed global x to 2 Value of x is 50
-
x is 50 Changed global x to 2 Value of x is 2
-
x is 50 Changed global x to 50 Value of x is 50
-
x is 50 Changed global x to 50 Value of x is 2
Pregunta 173
Pregunta
Which are the advantages of functions in python?
Respuesta
-
Reducing duplication of code
-
Decomposing complex problems into simpler pieces
-
Improving clarity of the code
-
All of the mentioned
Pregunta 174
Pregunta
What are the two types of functions?
Respuesta
-
Custom function and Built-in function
-
Built-in function and User-Defined function
-
Custom function and System function
-
System function and User-Defined function
Pregunta 175
Pregunta
Where is function defined?
Respuesta
-
Module
-
Class
-
Another function
-
All of the mentioned
Pregunta 176
Respuesta
-
3
-
9
-
27
-
333
Pregunta 177
Respuesta
-
432
-
230400
-
24000
-
430
Pregunta 178
Pregunta
What are the keys? for d = {"john":40, "peter":45}
Respuesta
-
“john”, 40, 45, and “peter”
-
“john” and “peter”
-
40 and 45
-
d = (40:”john”, 45:”peter”)
Pregunta 179
Respuesta
-
True
-
False
-
Error
-
None
Pregunta 180
Respuesta
-
True
-
False
-
Error
-
None
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