what is lambda in python

Solutions on MaxInterview for what is lambda in python by the best coders in the world

showing results for - "what is lambda in python"
Lydia
20 Jun 2017
1ng add @angular/material
Rafael
25 Jul 2018
1multiply = lambda x,y: x * y
2multiply(21, 2) #42
3#_____________
4def myfunc(n):
5  return lambda a : a * n
6
7mydoubler = myfunc(2)
8print(mydoubler(11)) #22
Mia
10 Sep 2019
1Table = lambda Table_of,Multiply_by: (Table_of*Multiply_by)
2print("3 * 9 = ",Table(3,9))
3
4def Concatinate(first_name, last_name):
5    return first_name + " " + last_name
6print("Concatinate using functions your name is:- {}".format(Concatinate("Harit","rai")))
Angela
16 Feb 2016
1Lamda is just one line anonymous function
2Useful when writing function inside function
3it can take multiple arguments but computes only one expression
4
5Syntax:
6   x = lambda arguments : expression
Florian
24 Jan 2021
1nums = [1, 2, 3, 4, 5]
2
3
4print(list(map(lambda n:n*n, nums)))
5#lambda n : n in this case is the passed value
Maximilian
30 Jan 2018
1# This is a normal function:
2def Function(Parameter):
3  return Parameter
4
5# And this is a lambda function
6Function = lambda Parameter : Parameter
7
8"""
9
10They are both equivalent and do the exact same job (which is
11to take in a parameter and output it, in this scenario) the reason
12lambda functions exist is to make code shorter and readable since
13a lambda function only takes up one line.
14
15Lambda functions are mostly used for simple things
16Whereas defining functions are used for complex things.
17
18You do not have to use lambda functions, it's all about preference.
19
20An example of where it would be used is in basic arithmetics, im only
21going to show addition, I think you can work out the rest:
22
23"""
24
25Add = lambda a, b: a + b
26
27print(Add(3,4))
28# Output:
29# >>> 7
30
31# Its equivalent:
32
33def Add(a ,b):
34  return a + b
35
36print(Add(3,4))
37# Output:
38# >>> 7
similar questions
queries leading to this page
what is lambda in python