Statements and Expressions

Statements:

              *Instructions that a Python interpreter can executes are called statements.

           *  A statement is a unit of code like creating a variable or displaying a value. 

>>> n = 17

>>> print(n)

Here, The first line is an assignment statement that gives a value to n. 

The second line is a print statement that displays the value of n.

Expressions: 

             * An expression is a combination of values, variables, and operators.

          

              * A value all by itself is considered an expression, and also a variable. So the following are all legal expressions: 

>>> 42

42

>>> a=2

>>> a+3+2

7

>>> z=("hi"+"friend")

>>> print(z)

hifriend