Python进制转换

from stack import Stack
h = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
def trans(number,nz):
    f = " "
    s = Stack()
    while number>0:
        c = number % nz
        s.push(c)
        number = number//nz
    while not s.isEmpty():
        f = f+h[(s.pop())]
    return f
num = int(input("输入等待转换的数字（十进制)"))
nzs = int(input("输入目标进制"))
print(trans(num,nzs))