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Question 3(5pt): change to upper case Write a function called toUpper that has a single parameter and returns a new string with all characters converted to uppercase. Function specifications: The function name: toUpper The function parameter o The string that will be converted to upper cases, string The function return value: the string with all upper cases, string The function should not print anything. Edge cases: Non alphabetical characters remain unchanged. Sample run 1 (bold is user input) Enter the string: Convert this string to UPPER case!!! CONVERT THIS STRING TO UPPER CASE