Python Programming – If Statements

It is similar to that of other languages. The ifstatement contains a logical expression using which data is compared and a decision is made based on the result of the comparison.

Syntax

if expression: statement(s) 

If the boolean expression evaluates to TRUE, then the block of statement(s) inside the if statement is executed. If boolean expression evaluates to FALSE, then the first set of code after the end of the if statement(s) is executed.

Example

#!/usr/bin/python  var1 = 100 if var1: print "1 - Got a true expression value" print var1  var2 = 0 if var2: print "2 - Got a true expression value" print var2 print "Good bye!" 

When the above code is executed, it produces the following result −

1 - Got a true expression value 100 Good bye!

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