This document defines common keywords in the Python programming language, including logical operators like and, or, and not; basic data types like True, False, and None; statements for flow control like if, elif, else, continue, break, and pass; functions and classes using def and class; loops with for and while; handling exceptions with try, except, finally, and raise; importing and exporting code with import, from, and as; and more. It provides a brief description of each keyword to explain its usage and purpose in Python programs.

1. Keywords in Python
Keyword Description
and logical operator AND
or Logical operator OR
not Logical operator NOT
True Boolean Value
False Boolean value
class Defining a class
def Defining a function
lambda Defining short functions
return Return a value from function
yield Create generator
if If conditional statement
elif Shortcut for else if
else else clause of if conditional statement
continue To continue to the next iteration
break Breaking out of loop
pass Null statement instructing to do noting
try Try something to handle exception if occurs
except To handle exception
assert For checking something how it supposed to be (debugging purposes e.g. –
checking shape of an matrix or vector before calculating eigen vector)
raise Raising an exception
for Creating definite loop
while Creating indefinite loops

2. global Declaring global variable
nonlocal Declaring a non local variable
with Opening file
in Checking a value in data structures
is Checking if two variables are equal
from Import certain function from another file
import Importing a module
finally Used with exceptions, a block of code that will be executed no matter if
there is an exception or not
None For representing null value
del Deleting an object
as Creating an alias