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Question 2 [ 25 pts] : Count the number of times each letter appears in a string. Given an input string composed only of english

Question 2 [ 25 pts] : Count the number of times each letter appears in a string. Given an input string composed only of english alphabets. Your goal is to count how many times each alphabet appears in the string and print each alphabet followed by its count. Note: both the uppercase and the lowercase letters count as the same letter, for example A and a are both considered a.

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