use simple python language (without importing any libraries and do not change anything in the question and please screenshot of code and terminal answer after running pytest) # Convert time in 24 hour format to a string in 12 hour format. # The input is a pair (hour, minute) where 0 <= hour <= 23 and 0 <= minute <= 59. # The output should be in the format "hh:mmAM" or "hh:mmPM". See the test. def to_12(time): pass # A color is represented by a triple of integers in the range 0 to 255. # The color is a grey if and only if all three values are equal. # Define is_grey to take a triple and return a bool that indicates whether the color is a grey. def is_grey(color): pass # Take a Sleeper class seat number as input and return a string that describes the berth position. # See https://erail.in/info/classes-sl-sleeper-class/1506 def rail_berth(seat_number): pass # Write a function that returns a string that greets 1, 2, or 3 people. # The input is a list of 1, 2, or 3 names. # The output should be a properly punctuated string as shown in the test. def greet(people): pass def test_to_12(): assert to_12((23, 59)) == "11:59PM" assert to_12((23, 1)) == "11:01PM" assert to_12((0, 9)) == "12:09AM" def test_is_grey(): assert is_grey((0, 0, 0)) assert is_grey((128, 128, 128)) assert not is_grey((0, 0, 1)) def test_rail_berth(): assert rail_berth(8) == "SU" assert rail_berth(65) == "LB" assert rail_berth(45) == "MB" def test_greet(): assert greet(["Joe"]) == "Hello Joe." assert greet(["Joe", "John"]) == "Hello Joe and John." assert greet(["Joe", "John", "Dave"]) == "Hello Joe, John, and Dave."