Secret Miro Algorism

def miro(n, arr1, arr2):
  temp1, temp2 = [], []
  answer = ['' for i in range(n)]
  for i in arr1:
      temp = len(bin(i)[2:]) < n and ('0' * (n-len(bin(i)[2:]))) + bin(i)[2:] or bin(i)[2:]
      temp1.append(temp)
  for i in arr2:
      temp = len(bin(i)[2:]) < n and ('0' * (n-len(bin(i)[2:]))) + bin(i)[2:] or bin(i)[2:]
      temp2.append(temp)

  for i in range(n):
      for j in range(n):
          if temp1[i][j] == '0' and temp2[i][j]  == '0':
              answer[i] += ' '
          else:
              answer[i] += '#'

  return answer