is

Description

Returns a Boolean stating whether two objects are the same.

Syntax

A is [not] B

A

Any object.

B

Any object.

Return Value

#TODO

Time Complexity

#TODO

Remarks

Equivalent to id(A) == id(B). Note that two different objects can have the same value.

Example 1

>>> a = 'ABCD'
>>> b = 'ABCD'
>>> a is b
True

Example 2

>>> a = 'Arbeitsunfähigkeitbescheinigung-' # certificate of inability to work in German
>>> b = 'Arbeitsunfähigkeitbescheinigung-'
>>> a is b
False
>>> a == b
True
>>> id(a)
14418904
>>> id(b)
14418288

See also

intern() and id() functions, equals operator