Write a program to get a string from a given string where all the occurrences of its first char have been changed to '$' , except the first char itself?

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The question demands a dynamic approach that'll consider all the reoccurring alphabets and not static approaches that focuses on only one alphabet.
Feb 13 in Python by Aman Prateek
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You can use the code below:

lis = []
s=input("Enter String")
for ch in s:
    if ch in lis:
        lis.append('$')
    else:
        lis.append (ch)
print(''.join(str(i) for i in lis))

answered Feb 13 by Priyaj
• 56,100 points

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