Question

How to find the index of Nth occurrence of a character in a string with Python

Answer 1

def GetNthIndexOfCh(s, ch, n):
    count = 0
    
    for i in range(len(s)):
        if s[i] == ch:
            count += 1
            if count == n:
                return i
    
    return -1

str = "java c++ python c# javascript"

print(GetNthIndexOfCh(str, 'a', 3))




'''
run:

20

'''

 

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