112     res = input("(Enter y/n) ").lower()  variable
113     while res not in ("y", "n"):
114         res = input("(Enter y/n) ").lower()  variable
115     if res == "n":
139         res = input("(Enter y/n) ").lower()  variable
140         while res not in ("y", "n"):
141             res = input("(Enter y/n) ").lower()  variable
142         if res == "n":
161 res = input("(Enter y/n) ").lower()  variable
162 while res not in ("y", "n"):
163     res = input("(Enter y/n) ").lower()  variable
164 if res == "y":