python (please do the challenging part as well)

In some European countries, the symbol of currency decimal point is "," instead of ".". Write a program that accepts a floating-point number (double) and reprint the number with comma as the decimal point. Round your output to two decimal places. Input Output Case 1 2 3 3.1415 5.6 2.055 0.012 3,14 5,60 2,06 0,01 4 Challenging (Optional): Can you finish the program without conditional statement