molarmanful

def mprint():
  for i in range(ROWS * COLS):
    print('.X'[i == POS], end=' ')
    if i and not i % COLS - 1:
      print()

molarmanful

def move_wrap(d):
  if d == 'up':
    POS = (POS - COLS) % ROWS
  if d == 'down':
    POS = (POS + COLS) % ROWS
  if d == 'left':
    POS = POS - 1 if POS % COLS else POS + COLS - 1
  if d == 'right':
    POS = POS + 1 if (POS + 1) % COLS else POS - COLS + 1

molarmanful

ROWS = 7
COLS = 7
BOARD = ['.' for x in range(ROWS * COLS)]
POS = 9

molarmanful

def move(d):
  if d == 'up' and POS - COLS >= 0:
    POS -= COLS
  if d == 'down' and POS + COLS < ROWS * COLS:
    POS += COLS
  if d == 'left' and POS % COLS:
    POS -= 1
  if d == 'right' and (POS + 1) % COLS:
    POS += 1

molarmanful

matrix_orig = [matrix[r:r + cols] for r in range(0, len(matrix), cols)]

molarmanful

rep = '\n'.join([' '.join(map(str, row)) for row in matrix])

molarmanful

for i in range(len(matrix)):
  print(matrix[i], end=' ')
  if i and not i % cols - 1:
    print()

molarmanful

rows = 9
cols = 1

mget(0, 3) # => 4

molarmanful

matrix = [i + 1 for i in matrix]

molarmanful

def mget(r, c):
  return matrix[r * cols + c]
  
mget(2, 1) # => 8