#?-*-?coding:utf-8?-*-
#?@Time:?2018/6/18?14:04
#?@File:?Dec_To_Bin.py
"""
description
"""
def?dec2bin(string_num):
num?=?int(string_num)
mid?=?[]
while?True:
if?num?==?0:
break
num,?rem?=?divmod(num,?2)
mid.append(rem)
return?''.join([str(x)?for?x?in?mid[::-1]])
if?__name__?==?'__main__':
anum?=?raw_input(u'請輸入要轉換的數字：')
print?u'該數字轉換為二進制後是：{}'.format(dec2bin(anum))