Reserved Words

Reserved Words

In Python some words are reserved to represent some meaning or functionality. Such types of words are called reserved words.

There are 33 reserved words available in Python.

  • True, False, None
  • and, or, not, is
  • if, elif, else
  • while, for, break, continue, return, in, yield
  • try, except, finally, raise, assert
  • import, from, as, class, def, pass, global, nonlocal, lambda, del, with


  1. All Reserved words in Python contain only alphabet symbols.
  2. Except the following 3 reserved words, all contain only lower case alphabet symbols.
    1. True
    2. False
    3. None


>>> import keyword 
>>> keyword.kwlist 
['False', 'None', 'True', 'and', 'as', 'assert', 'break', 'class', 'continue',
'def', 'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 
'if', 'import', 'in', 'is', 'lambda', 'nonlocal', 'not', 'or', 'pass', 
'raise', 'return', 'try', 'while', 'with', 'yield']

Reserved Words
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