FUNCTIONS IN PYTHON
2 min readSep 27, 2021
FUNCTIONS IN PYTHON:-
REUSABILITY:-
- The Major Uses Of Writing Function Is Reusability.
- Reusability Means Once We Write Any Function That Function Can Be Called A Number Of Times.
EASY DEBUGGING:-
- Easy Debugging That Means The Finding Of Error Is Easy For User If We Write This Function.
FUNCTION DEFINATION:-
- Function is Totally Based On Your Dry Concept Which Means “Don’t Repeat Yourself”. Which Means We Don’t Have To Write The Whole Program Again And Again,Instead We Can Make a Function Of That Program And Use It Whenever We Want Just Calling The Function Name.
- Every Function Should Start With “def” Keyword.
- Every Function Should Have Name.
- Every Function Name With/Without Argument Should End With (:).
- Try To Avoid Writing a Print Statement Inside a Function , Instead Of Print , Write “return” Keyword.
SYNTEX:-
Type Of Functions:-
BUILT IN FUNCTIONS:-
- Python Has 63 Built-in Function That Are Readily Available For Use. These Functions Are Called Built-in Functions.
USER DEFINED FUNCTION:-
- Functions That We Define Ourselves To Do Certain Specific Task Are Referred As User Defined Functions.
LAMBDA FUNCTION:-
- This Functions Do Not Defined By “def” Keyword And This Function Will Return Expression But Not Value.
- This Function Are One Line Functions.
- It Can Take Any Number Of Arguments.
- It Cannot Access Global variables.
- This Function Will Be Defined By Using “lambda” Keyword.
SYNTEX:-
