Mark 3 | Number Converter

converter = "Yes"
while converter == "Yes":

    fromSystem = input("\nChoose b (Binary), d (Decimal) or h (Hex) for the Numerical System that you would like to convert from: ")
    if fromSystem == 'b':
        toSystem = input("Choose b (Binary), d (Decimal) or h (Hex) for the Numerical System that you would like to convert to: ")
        if toSystem == 'd':
            binaryNumber = input("Enter binary number: ")
            endResult = int(binaryNumber, 2)
            print("\n", binaryNumber, "as a decimal value is", endResult, "\n")
#       elif fromSystem == 'h' or 'H':
#           binaryNumber = input("Enter binary number: ")
#           print (int(binaryNumber, 2))
        else:
            print("Those letters or combination of letters will not work. Pleaser try again with different letters \n")

    elif fromSystem == 'd':
        toSystem = input("Choose b (Binary), d (Decimal) or h (Hex) for the Numerical System that you would like to convert to: ")
        if toSystem == 'b':
            decimalNumber = int(input("Enter decimal number: "))
            endResult = bin(decimalNumber)[2:]
            print("\n", decimalNumber, "as a decimal value is", endResult, "\n")
#       elif toSystem == 'h':
#           decimalNumber = input("Enter binary number: ")
#           print (int(binaryNumber, 2))
        else:
            print("Those letters or combination of letters will not work. Pleaser try again with different letters \n")

#elif fromSystem == 'h':
#   toSystem = input("Choose b (Binary), d (Decimal) or h (Hex) for the Numerical System that you would like to convert to: ")
#   if toSystem == 'b':
#        hexNumber = input("Enter hexadecimal number: ")
#        print (int(binaryNumber, 2))
#
#   elif toSystem == 'd':
#        hexNumber = input("Enter hexadecimal number: ")
#        print
#
#   else:
#        print("Those letters or combination of letters will not work. Pleaser try again with different letters")
    else:
        print("That letter will not work. Pleaser try again with different letters \n")

    continueConverter = input("Continue, yes or no? ")
    if continueConverter == "Yes" or continueConverter == "yes" or continueConverter == "Y" or continueConverter == "y":
        continue
    elif continueConverter == "No" or "no" or "N" or "n":
        converter == "No"
    else:
        continue