Python #4-If and elif statements In Python

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         of  Python #3-For Loop and While Loop In Python

What is if Statement?

An if statement is Selection statement. It is also called as Decision Making Statement.

Syntax:

     if (condition):

         statement

Example:

     marks = 39

     if marks < 40 :

        print "failed"

Output:

     failed

Note Worthy: As i said previously Python uses indentation to make code blocks. So the statement should me done as it is in the above syntax.

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Don't forget to try here!

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if else:

Syntax:
     if (condition):
         statement
     else:
         statement

Example:
     marks = 41
     if marks < 40 :
        print "failed"
     else
        print "passed"

Output:
     passed

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Elif Statement :

Example:

    marks =50

    if marks < 40 and marks >=0:

        print "Failed"

    elif marks < 60 and marks >=40:

        print "C Grade"

    elif marks < 80 and marks >=60:

        print "B Grade"

    elif marks <=100 and marks>=80:

        print "A Grade"

     else:

        print "Invalid mark Statemtent"

Output:

    C Grade

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Thanks and Regards,

Tech Bird