from math import pi

"""radius = float(input("Write the radius : "))
area = pi*radius*radius
print(area)

first_name = str(input("Enter you first name :"))
last_name = str(input("Enter you last name :"))
reverse_first = first_name[::-1]
reverse_last = last_name[::-1]
print(reverse_last + " " + reverse_first)
print(last_name + " " + first_name)
"""
value = input("Enter the numbers : ")
list = value.split(",")
tuple = tuple(list)
print(list,tuple)

filename = input("Enter the filename :")
last_name = filename.split(".")
