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Coding Quiz - String Case Conversion

In this coding quiz, you'll write a function that converts characters in a given string to uppercase at even indices and to lowercase at odd indices.

For example, if the input string is codefriends, the output should be cOdEfRiEnDs.


Write Your Code
def solution(s):
    # Write your code here
    return


Constraints​

  • The length of the input string is between 1 and 100.

  • The string contains only alphabetic letters.



Example Input/Output​

  • Input: codefriends

  • Output: cOdEfRiEnDs


  • Input: CoDe

  • Output: cOdE

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