Python Keywords

Python has a set of keywords that are reserved words that cannot be used as variable names, function names, or any other identifiers:

Keyword Description
and A logical operator
as To create an alias
assert For debugging
break To break out of a loop
class To define a class
continue To continue to the next iteration of a loop
def To define a function
del To delete an object
elif Used in conditional statements, same as else if
else Used in conditional statements
except Used with exceptions, what to do when an exception occurs
False Boolean value, result of comparison operations
finally Used with exceptions, a block of code that will be executed no matter if there is an exception or not
for To create a for loop
from To import specific parts of a module
global To declare a global variable
if To make a conditional statement
import To import a module
input The input() function allows user input.
in To check if a value is present in a list, tuple, etc.
is To test if two variables are equal
lambda To create an anonymous function
None Represents a null value
nonlocal To declare a non-local variable
not A logical operator
or A logical operator
pass A null statement, a statement that will do nothing
print The print() function prints the specified message to the screen, or other standard output device.
raise To raise an exception
return To exit a function and return a value
True Boolean value, result of comparison operations
try To make a try...except statement
while To create a while loop
with Used to simplify exception handling
yield To end a function, returns a generator