python输出菱形

一个基础题，花了半小时，不能停

number =input('pls type number:')
for n in range(int(number)):
    print((' '*(int(number)-n))+('#'*(2*n-1)))
for n in range(int(number)):
    print((' '*(n+2))+('#'*(2*(int(number)-n-2)-1)))