python tutorial - Python If Else | Python If Else Statements - learn python - python programming
![Python If Else Statement](https://wikitechy.com/tutorials/python/img\python-images\python-if-else-statement.png)
Python if Statement
- An if statement is a programming conditional statement that, if proved true, performs a function or displays information.
- Basic example of an if statement, not specific to any particular programming language.
![python ifelse](https://wikitechy.com/tutorials/python/img/python-images/python-ifelse.gif)
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Python if Statement Flowchart
![python if statement flowchart](https://wikitechy.com/tutorials/python/img\python-images\python-if-statement-flowchart.png)
Syntax
if (X < 10)
{
print "Hi Wikitechy";
}
- In the example above, if the value of X were equal to any number less than 10, the program would print, or display, "Hi Wikitechy" on the console when the script is run.
Python If Else Statements
- An else statement can be combined with an if statement.
- An else statement contains the block of code that executes if the conditional expression in the if statement resolves to 0 or a FALSE value.
- The else statement is an optional statement and there could be at most only one else statement following if.
Syntax
if expression:
statement(s)
else:
statement(s)
![python if else statements](https://wikitechy.com/tutorials/python/img\python-images\python-if-else-statements.png)
Example:
year=2010
if year%4==0:
print "Year is Leap"
else:
print "Year is not Leap"
Output:
Year is not Leap
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