Python

Python

1. Tokens : are the smallest individual unit in a program

   • Keywords
     • words that convey a special meaning to the interpreter
   • Identifiers
     • identifiers are building blocks of a program and are used as general terminology for the names given to different parts of the program like variables,objects etc
   • Literals
     • literals are also referred as constant values.they are data items that have a fixed value.
   • Operators
     • Operators are special symbols in Python that carry out arithmetic or logical computation
       • Unary Operators: are those operators that require one operand to operate upon,+-~
       • Binary Operators: are those operators that require two operands +-*/%**//
       • Betwise operators:amperson &,AND,/\,Betwise exclusive:XOR,betwise or:|
       • Shift operators: << >>
       • Identity Operator:is ,is not
       • Relational operator:<>,<=,>=,==,<>/!
       • assignment operator:=,/=,+=,*=,%=.-=,**,//
   • Punctuators
     • are good symbols that are used in prog lang to organise sentence structure and indicate the flow and order of execution of expressions,statements and prog structure