Python Lambda Functions with Examples

Python Lambda Function

python lambda function is similar to def keyword where def keyword is used to define a normal function in python and lambda keyword is used to define an anonymous function in python.

• Lambda function is used whenever function objects are required.
• Lambda functions are syntactically restricted to  single expression.
• It is mainly used in programming .

Lambda function syntax :

Syntax : lambda arguments : expression

EXAMPLE:

str = 'NeethikaChiliveri'
upper = lambda string: string.upper
print(upper(str))

OUTPUT : NEETHIKACHILIVERI

Here the lambda function upper() is used to convert them to uppercase

USE of Lambda function:

we use lambda function as an argument to a higher-order function

filter(),map(), and reduce() are used together with built-in-functions