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Python’s 33 keywords are: 1. Built-in constants [False, None, True]; 2. Logical AND, OR, NOT [and or not]; 3. Judgment and looping [if elif else, for while break continue]; 4. Rename [as].
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Python’s 33 keywords are:
1. View all Python keywords
import keysword 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']
2. Detailed explanation of Python keywords
1. Built-in constants
False, None, True
>>> False == 0 True >>> True == 1 True >>> type(False) <class 'bool'> >>> type(None) <class 'NoneType'>
2 , logical AND or NOT and or not
Priority: not and or
x and y If x is False, empty, 0, return x, otherwise return y
x or y If x is False, empty, 0, return y, otherwise return x
not x If x is False, empty, 0, return True, otherwise return False
3. Judgment and looping
if elif else
is in
for while break continue
4. Function
def lambda
pass return yielded
5. Exception handling
try except finally raise assert
6.Import module package
import from
7, rename
as
8, variable
global nonlocal
9, class
class
10. Delete
del
11. Context management
with
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