What are keywords in Python?
Keywords are reserved words in Python that are used to trigger specific tasks. We cannot use a keyword as a variable name, function name, or any other identifier since these keywords each hold a special meaning. All of the keywords in Python are lowercase.
The table below shows the list of keywords and their meanings:
| Keyword | Meaning |
|---|---|
print |
Prints to console. |
while |
Controls the flow of the code by starting a loop. |
for |
Iterates over items of a collection in the order that they appear. |
continue |
Interrupts the current cycle. The remaining part of the current iteration will be skipped and the program will move on to the next iteration. |
break |
Exits the (loop) cycle. |
if |
Determines which statements are going to be executed. |
elif |
Stands for “else if”. If the first test evaluates to False, then this keyword checks for the next one. |
else |
Is optional. The statement after the else keyword is executed when the if condition is False. |
is |
Tests for object identity. |
not |
Negates a Boolean value. |
and |
All conditions in a Boolean expression must be met. |
or |
At least one condition must be met. |
import |
Imports other modules into a Python script. |
as |
Gives a module a different alias. |
from |
Imports a specific variable, class, or function from a module. |
def |
Creates a new user-defined function. |
return |
Exits the function and returns a value if needed. |
lambda |
Creates a new anonymous function. |
global |
Accesses variables defined outside functions. |
try |
Specifies exception handlers. |
except |
Catches the exception and executes codes. |
raise |
Creates a user-defined exception. |
del |
Deletes an object. |
pass |
Tells the program to do nothing. Used in if-else statements to make the loop do nothing upon encountering certain conditions. |
assert |
Used for debugging purposes. |
class |
Creates a new user-defined object. |
exec |
Executes Python code dynamically. |
yield |
Used with generators. |
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