Python bool()

Converts a value to a Boolean True or False value.

Syntax

bool(object)

Copy to clipboard
Copy to clipboard

Standard truth testing procedures are applied to values to determine their Boolean value. Statements are True if they do not meet one or more of these criteria:

• If a False boolean value is passed.
• If None is passed.
• If a quantitative zero is passed, such as 0 or 0.0.
• If an empty sequence or mapping is passed, such as (), [], or {}.
• If Objects of Classes having bool() or len() method, returning 0 or False are passed.

Example 1

Use bool() function to return the boolean expression of the string 'True':

print(bool('True'))

# Output: True

Copy to clipboard
Copy to clipboard

Example 2

Use bool() function to return the boolean expression of the string 'False':

print(bool('False'))

# Output: False

Copy to clipboard
Copy to clipboard

Example 3

Use bool() to return the boolean expression of the integer 0:

Visit us
Visit us
Hide code
Code
Output
Hide output
Loading...
Copy to your clipboard
Copy Codebyte
Run