Python

Python

1. Python is an interpreted, high-level, general-purpose programming language

   • It was created by Guido van Rossum and first released in 1991
   • It can be used to develop applications and websites

2. Python's design philosophy emphasizes code readability with its notable use of significant whitespace

3. Code should be in order

4. To show the word hello: print ("hello")

   • Don't use capitals
   • Make sure to have brackets
   • Make sure to have speechmarks

5. Debugging

   • Fixing syntax errors

6. Variable

   • A name memory location

7. Algorithm

   • A set of tasks to solve a problem

8. Sequence

   • A range of tasks in order

9. Comments are useful to document your progam and make it easier to understand your code

   • Comments start with a # symbol and appear in red

10. Write .py at the end of your documents

    • It will allow the computer to open the right software

11. String

    • A string in Python is a sequence of characters. ... Strings are immutable. This means that once defined, they cannot be changed

12. a= "...." print (a)

    • This will print ....
    • a is the variable

13. a= "Hello world"

    • print (a[3])
      • This would print the second letter of Hello world, which is l