Python Lambda Function

Lambda Function

• It is the function which have no name like normal function
• It can have number of argument
• It have only one expression
• It may or may not return a expression

Syntax

lambda arguments: expression

It return a value to a variable, when we assign as:

var =  lambda arguments: expression

Example1:

test = lambda y: y * 3

print(test(3)) # 9 is the answer

Example2:

square = lambda y: y * y

print(square(4)) # 16 is the answer

Example3:

show_name = lambda name: print('Hi ', name)

show_name(“Rushikesh”)

Anonymous Function In Python

Anonymous Function

oTo Create a Anonymous Function, We Have To Create a Lambda Function Without Assigning It To a Variable.

oAnonymous Function Have No Name To Call

oAnonymous Function Called a Lambda Function, But Every Lambda Function Is Not Anonymous Function

oIt Can Be Call Once

Example:

(lambda x: x + 2)(2)

print((lambda x: x + 2)(2))