create a multiplication table grid

def mult_table(n):
  for i in range(1, n+1):
    print('\t',i, end='')
  print()
  print('\t' + '-'*(2*n+1))
  for i in range(1, n+1):
    print(i, end='')
    for j in range(1, n+1):
      print('\t', i*j, end='')
    print()

mult_table(4)