Python - If Statement
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Table of Contents
1 - About
Grammar - If Statement in Python
See also: Python - Control flow (Comparator, Boolean Operator and Conditional Statement)
2 - Articles Related
3 - Example
if x < 0: x = 0 print 'Negative changed to zero' elif x == 0: print 'Zero' elif x == 1: print 'Single' else: print 'More'
4 - Example 2
The block of code in Python is indented with 4 spaces. See Python Grammar - Code Block
Syntax:
if expression1: code block line 1 if the expression1 is true code block line 2 if the expression1 is true elif expression2: code block line 1 if the expression2 is true code block line 2 if the expression2 is true else: code block line 2 if expression1 and expression2 are false code block line 2 if expression1 and expression2 are false
Example:
if "Nico" <> "Gerard": print "Nico isn't Gerard!"
Nested if/else:
if condition: if other_condition: # Do something else: # Do something else! else: # Do yet another thing
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