Python bool()

Python bool() class

The bool() class in Python returns the boolean value for the specified object.

Syntax

class bool([x])

Parameter

object: This parameter represents the object, like String, List, Number etc.

Return

It will always return True, except for the following cases where it returns False:

• The object is empty, like [], (), {}
• The object is False
• The object is 0
• The object is None

Example 1

# Python program explaining
# bool() class
# Returns False as val1 is False
val1 = False
print(bool(val1))
# Returns True as val2 is True
val2 = True
print(bool(val2))
# Returns False as val1 is not equal to val2
val1 = 5
val2 = 10
print(bool(val1==val2))
# Returns False as val1 is None
val1 = None
print(bool(val1))
# Returns False as val1 is an empty sequence
val1 = ()
print(bool(val1))

Output

False
True
False
False
False