十进制转二进制

def Dec2Bin(m):
    m=int(m)
    list=[]
    while m//2!=0:
        n=m%2
        m//=2
        list.append(n)
    else:
        if m==0:
            list.append(0)
        else:
            list.append(1)
    list.reverse()
    for i in list:
        print(i,end='')