People's weights (Lists):
(1) Prompt the user to enter four numbers, each corresponding to a person's weight in pounds. Store all weights in a list. Output the list.
Ex:
Enter weight 1:
236.0
Enter weight 2:
89.5
Enter weight 3:
176.0
Enter weight 4:
166.3
Weights: [236.0, 89.5, 176.0, 166.3]

(2) Output the average of the list's elements with two digits after the decimal point. Hint: Use a conversion specifier to output with a certain number of digits after the decimal point.
(3) Output the max list element with two digits after the decimal point.
Ex:
Enter weight 1:
236.0
Enter weight 2:
89.5
Enter weight 3:
176.0
Enter weight 4:
166.3
Weights: [236.0, 89.5, 176.0, 166.3]
Average weight: 166.95
Max weight: 236.00

(4) Prompt the user for a number between 1 and 4. Output the weight at the user specified location and the corresponding value in kilograms. 1 kilogram is equal to 2.2 pounds.
Ex:
Enter a list index location (0 - 3):
3
Weight in pounds: 176.00
Weight in kilograms: 80.00

(5) Sort the list's elements from least heavy to heaviest weight.
Ex:
Sorted list: [89.5, 166.3, 176.0, 236.0]