Introduction To Python | Function, Recursion, Type conversion and Coercion, Lambda Function, Strings

Functions In Python

Function is a group of Inter-related statements that perform a specific task. Functions help as to break large programs into smaller blocks or modular chucks.

Types of Functions

a) Built ­in functions -­ Functions that are built within Python by default.

**b) User defined functions **-­ Functions that are defined by the users.

Built ­in Functions

Mathematical Function

#Example 2.1
import math           #import math module
math.pow(var1,var2)
math.sqrt(var1)
math.sin(var1)
math.cos(var1)
math.log10(var1)
... etc

String Function

#Example 2.2
len(),lower(),upper(),find(),count(),replace(),strip()... etc

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