Sort a String | How to sort String in Ascending Order | Coder Army Sheet | Leetcode |Code Circle

[getWhatYouExcept]

solution in python:
def sort(s):
freq = [0]*26
n = len(s)
for i in range(n):
freq[ord(s[i]) - ord('a')] += 1
ans = ""
for i in range(26):
while freq[i] > 0:
freq[i] -= 1
ans += chr(i + ord('a'))
return ans