comefrom: <garvit244>1007_1.py
code: def minDominoRotations( A, B):
      if len(A) != len(B):
          return -1
      if len(A) == 0:
          return 0
      
      for possibility in set([A[0], B[0]]):
          top_rotation, bottom_rotation =0, 0
          for a_num, b_num in zip(A, B):
              if possibility not in [a_num, b_num]:
                  break
              top_rotation += int(b_num != possibility)
              bottom_rotation += int(a_num != possibility)
          else:
              return min(top_rotation, bottom_rotation)
      return -1
masked: def sample_funcname ( var_0 , var_1 ) :
      if len ( var_0 ) != len ( var_1 ) :
          return - 1
      if len ( var_0 ) == 0 :
          return 0
      for var_6 in set ( [ var_0 [ 0 ] , var_1 [ 0 ] ] ) :
          var_7 , var_8 = 0 , 0
          for var_10 , var_11 in zip ( var_0 , var_1 ) :
              if var_6 not in [ var_10 , var_11 ] :
                  break
              var_7 += int ( var_11 != var_6 )
              var_8 += int ( var_10 != var_6 )
          else :
              return min ( var_7 , var_8 )
      return - 1
  