# Take in 1 arg
# Replace vowels with "x"
# Switch the 1st and last character

def replace_switch(name):
    
    vowels = ["a", "e", "i", "o", "u"]

    for letters in name:
        if letters in vowels:
            letters.replace(, "x")


    #   print(letters.replace(, "x"))
        


replace_switch("Calvin")



# >> Sally
# >> yllxS

# >> Calvin
# >> nxlvxC
