How to find the first non repeated character of a given String?

How to find the first non repeated character of a given String?

 https://javarevisited.blogspot.com/2011/06/top-programming-interview-questions.html


CODE:

 a = input("Enter a string: ")
b = []
for i in a:
    sum = 0
    for j in a:
        if i == j:
            sum += 1
            if sum > 1:
                break
    if sum == 1:
        b.append(i)
if b:
    print('"{}" is the first non repeated character'.format(b[0]))
else:
    print('None of char is non repeated')
               

           
----

By
PyKar

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