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Python Keywords

Python was created by Guido van Rossum and first released on February 20, 1991. There are 33 keywords in Python that have special meanings and cannot be used as variable or function names, such as and, or, not, if, elif, else, for, while, break, as, def, lambda, pass, return, True, False, try, with, assert, class, continue, del, except, finally, from, global, import, in, is, None, nonlocal, raise, and yield.

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1K views3 pages

Python Keywords

Python was created by Guido van Rossum and first released on February 20, 1991. There are 33 keywords in Python that have special meanings and cannot be used as variable or function names, such as and, or, not, if, elif, else, for, while, break, as, def, lambda, pass, return, True, False, try, with, assert, class, continue, del, except, finally, from, global, import, in, is, None, nonlocal, raise, and yield.

Uploaded by

Anoop A S
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Python was created by Guido van Rossum, and first released

on February 20, 1991.

Python Keywords

The keywords are some predefined and reserved words in python that have special
meanings. Keywords are used to define the syntax of the coding. The keyword cannot be
used as an identifier, function, and variable name. All the keywords in python are written in
lower case except True and False. There are 33 keywords in Python 3.7.

Total Python keywords


No. Keywords Description
This is a logical operator it returns true if both the operands are true else
1 and return false.

This is also a logical operator it returns true if anyone operand is true else
2 Or return false.

This is again a logical operator it returns True if the operand is false else
3 not return false.

4 if This is used to make a conditional statement.

Elif is a condition statement used with if statement the elif statement is


5 elif executed if the previous conditions were not true

Else is used with if and elif conditional statement the else block is
6 else executed if the given condition is not true.

7 for This is created for a loop.

8 while This keyword is used to create a while loop.

9 break This is used to terminate the loop.

10 as This is used to create an alternative.

11 def It helps us to define functions.


No. Keywords Description
12 lambda It used to define the anonymous function.

13 pass This is a null statement that means it will do nothing.

14 return It will return a value and exit the function.

15 True This is a boolean value.

16 False This is also a boolean value.

17 try It makes a try-except statement.

18 with The with keyword is used to simplify exception handling.

This function is used for debugging purposes. Usually used to check the
19 assert correctness of code

20 class It helps us to define a class.

21 continue It continues to the next iteration of a loop

22 del It deletes a reference to an object.

23 except Used with exceptions, what to do when an exception occurs

Finally is use with exceptions, a block of code that will be executed no


24 finally matter if there is an exception or not.

25 from The from is used to import specific parts of any module.

26 global This declares a global variable.

27 import This is used to import a module.

28 in It’s used to check if a value is present in a list, tuple, etc, or not.

29 is This is used to check if the two variables are equal or not.

This is a special constant used to denote a null value or avoid. It’s


important to remember, 0, any empty container(e.g empty list) do not
30 None compute to None
No. Keywords Description
31 nonlocal It’s declared a non-local variable.

32 raise This raises an exception

33 yield It’s ends a function and returns a generator.

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