input: from typing import List
  
  def print_pattern() -> None:
      """
      Print a pattern of # and spaces based on the following conditions:
      - For each combination of i and j in the range of 0 to 6 (inclusive),
      - If (i + j) % 2 == 0, print '#'.
      - Otherwise, print a space.
      - Move to the next line after each complete iteration of j.
      
      >>> print_pattern()
      # # # # #
       # # # # 
      # # # # #
       # # # # 
      # # # # #
       # # # # 
      # # # # #
      """
output:     for i in range(7):
          for j in range(7):
              if (i + j) % 2 == 0:
                  print('#', end='')
              else:
                  print(' ', end='')
          print()