Write a function that converts milliseconds to hours, minutes, and seconds using the following header: def convertMillis(millis): The function returns a string as hours:minutes:seconds. For example,...

Write a function that converts milliseconds to hours, minutes, and seconds using the following header:

def convertMillis(millis):
The function returns a string as hours:minutes:seconds. For example, convertMillis(5500) returns the string 0:0:5, convertMillis(100000)
returns the string 0:1:40, and convertMillis(555550000) returns the string
154:19:10.
Write a test program that prompts the user to enter a value for milliseconds and displays a string in the format of hours:minutes:seconds.