Question

Write a python function that takes a string as input, and returns a dictionary of frequencies...

Write a python function that takes a string as input, and returns a dictionary of frequencies of all the characters in the string. For example:

freq("dabcabcdbbcd") would return {"d":3, "a":2, "b":4, "c":3}. Then write a driver to demonstrate your function.

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Answer #1

CODE :

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CODE :

def f(s):
    #Ans to return
    mp = {}
    #Iterate through all chars in string
    for c in s:
        #Add it to dictionary
        if c not in mp:
            mp[c] = 0
        #Increment the count
        mp[c] += 1
    return mp

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