Question: Write a Python function named countV1 which will calculate the number of occurrences of a character c in a string s. Try two versions:

Write a Python function named countV1 which will calculate the number of occurrences of a character c in a string s. Try two versions: with . the count method of class str; and name your function accountV1 without this method (using a while or for loop); and name your function countV2 Develop the main part of the program which obtains from the user a string named s, and calls the function (both versions) to calculate the number of 'a's. The last part should be:?

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