Character Frequency in String | Dataford Interview Questions

Given a string s, return a mapping of each character to the number of times it appears in the string. The function should treat every character as distinct, including spaces, digits, punctuation, and differences in letter case.

Constraints

0 <= len(s) <= 10^5
s may contain letters, digits, spaces, and punctuation
The output must contain the frequency of every character present in s

Function Signature

def char_frequency(s):

Your question is Character Frequency in String. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Constraints

0 <= len(s) <= 10^5
s may contain letters, digits, spaces, and punctuation
The output must contain the frequency of every character present in s

Function Signature

def char_frequency(s):

Your question is Character Frequency in String. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.