python任意进制加法

#!/usr/bin/python

import sys,time

start = sys.argv[1]
end = sys.argv[2]
size = sys.argv[3]

def add(start,end,size):
def add1(number,size):
number[-1] += 1
if number[-1] == size:
del number[-1]
if number == []:
number.append(1)
else:
if number[-1] == size - 1:
number = add1(number,size)
else:
number[-1] += 1
number.append(0)
return number
else:
return number
start = map(int,start.split("_"))
end = map(int,end.split("_"))
size = int(size)
result_list = []
result_list.append(list(start))
number = start
while number != end:
number = add1(number,size)
result_list.append(list(number))
return result_list
if __name__ == "__main__":
print add(start,end,size)