if

KeywordPython 2.0+Beginner

Starts a conditional statement; executes block only if condition is true

Quick Info

Documentation
Official Docs
Python Version
2.0+

Learn by Difficulty

Easy2 examples
Examples|Playground
Intermediate2 examples
Examples|Playground
Advanced1 example
Examples|Playground
Expert1 example
Examples|Playground

Quick Example

python
temperature = 35

if temperature > 30:
    print("It's hot!")

x = 10
if x > 0:
    print("Positive")
elif x == 0:
    print("Zero")
else:
    print("Negative")

if evaluates a condition. The indented block runs only when the condition is True.

Try in Playground

Tags

languagesyntaxcorecontrol-flowconditional

Related Items

elif
Keyword
Short for 'else if'; adds another condition to an if chain
else
Keyword
Catch-all branch when preceding if/elif conditions are all false
and
Keyword
Logical AND operator; returns True if both operands are true
or
Keyword
Logical OR operator; returns True if at least one operand is true
not
Keyword
Logical NOT operator; inverts a boolean value
match
Soft Keyword
Begins a structural pattern matching block (3.10+)