Python Switch Statement

Chapter: Python Last Updated: 20-09-2018 17:23:39 UTC


            /* ............... START ............... */

b ={
    'a' : 333,
    'b' : 444,
    'c' : 456,
    'd' : 54

# Ask for User Input
result = input('User Input: ')

print('The result is : ', b.get(result, -1))

def switch_function_example(value, y):
    return {
        'a': lambda y: y+444,
        'b': lambda y: y*44,
        'c': lambda y: y/4

# Ask for User Input
result = input('User Input:  ')

print('The result is : ', switch_function_example(result, 8))
                /* ............... END ............... */


User Input: a
The result is :  333
User Input:  c
The result is :  2.0


  • Python does not have a switch or case statement. But by using dictionary mapping: we can implement switch statement in Python.
  • In Python we can use dictionary to work like a switch statement. In the above example "b" stores key and value pair and return the match value as like switch statement in other programming languages.
  • Python dictionary is sequence of key and value pair as like hashmap. Key is a unique values, If you given key then you will get value associated with it.
  • Second switch_function method ask for parameter and by using lambda in Python we can make a dynamic calculation. In the program you can see that how value is passing and return after some calculation.
  • Above Python program is an alternative method for switch statement as like in other programming languages.


Python switch case statement, alternative method for switch statement in Python, python switch library, python switch case replacement,python switch dictionary

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