Write a
Input:
My userID is john17 and my 4 digit pin is 1234 which is secret.
Output:
My userID is john17 and my x digit pin is xxxx which is secret.
Note that if a digit is part of a word, then the digit is not changed to an ‘x’. For example, note that john17 is NOT changed to johnxx. Include a loop that allows the user to repeat this calculation again until the user says she or he wants to end the program.
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