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Python #4-If and elif statements In Python

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cont.....
         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.

_________________________________________________________________________________
Don't forget to try here!
____________________________________________________________________________
if else:

Syntax:
     if (condition):
         statement
     else:
         statement

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

Output:
     passed
_________________________________________________________________________________

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
_________________________________________________________________________________

Thanks and Regards,
Tech Bird


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