FUNCTIONS IN PYTHON Cheat Sheet

A Programming › Python cheat sheet in English by sahusourabh

This will give wholistic idea about functions in PYTHON

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PRs

WHY FUNCTIONS?

Repetitions (Birthday song)
print("Happy birthday to you!")
print("Happy birthday to you!")
print("Happy birthday to Dear name")
print("Happy birthday to you!")
print("Happy birthday to you!")
print("Happy birthday to you!")
print("Happy birthday to you!")
print("Happy birthday to Dear name")
print("Happy birthday to you!")
print("Happy birthday to you!")

function with argument (custom birthday wishes)

**def wishBirthday(name): #passing argument/parameter**
 **   """This function is used to wish birthday to someone""" **
**    happy()**
**    happy()**
**    print("Happy birthday to you dear",name,'!')**
**    happy()**
**wishBirthday("Sourabh")**
**wishBirthday("Jack")**

Function required argument

default arguments in PYTHON

map function in PYTHON

Lets define function

def happy():
print("Happy birthday to you!")
:#definition of function

happy() #calling of function
happy()
print("Happy birthday to you dear name")
happy()
happy()
happy()
happy()
print("Happy birthday to you dear name")
happy()
happy()

help/ documentation of function

using . operator	wishBirthday.__doc__
using help function	help(wishBirthday)
	help(len)

keyword arguments in PYTHON

LAMBDA Function (no name)

Multiple functions

**def wishSourabh():  **
**     happy()**
**     happy()**
     **print("Happy birthday to dear Sourabh")**
     **happy()**
**def wishJack():**
**     happy()**
**     happy()**
**     print("Happy birthday to dear Jack")**
**     happy()**
**wishSourabh()**
**wishJack()**

Function can return multiple parameters in PYTHON

Variable Arguments in PYTHON

Global in functions

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