r/dailyprogrammer [6/2/2014] Challenge #165 [Easy] ASCII Game of Life

easy165.py

import os
import time

# global vars
iterations = 0
x = 0
y = 0
grid = []

# function to check life/death
def check_life(x_loc, y_loc, grid):
    count = 0
    # add up all the neighboring 8 cells
    # upper left
    count += grid[(x_loc - 1) % x][(y_loc + 1) % y]
    # above
    count += grid[(x_loc) % x][(y_loc + 1) % y]
    # upper right
    count += grid[(x_loc + 1) % x][(y_loc + 1) % y]
    # left
    count += grid[(x_loc - 1) % x][(y_loc) % y]
    # right
    count += grid[(x_loc + 1) % x][(y_loc) % y]
    # lower left
    count += grid[(x_loc - 1) % x][(y_loc - 1) % y]
    # below
    count += grid[(x_loc) % x][(y_loc - 1) % y]
    # lower right
    count += grid[(x_loc + 1) % x][(y_loc - 1) % y]
    
    if grid[x_loc][y_loc] == 0 and count == 3:
        return 1
    elif grid[x_loc][y_loc] == 1 and count < 2:
        return 0
    elif grid[x_loc][y_loc] == 1 and count > 3:
        return 0
    else:
        return grid[x_loc][y_loc]

def display_grid(grid_to_display):
    for row in grid_to_display:
        for item in row:
            print('.' if item == 0 else '#', end='')
        print()
    
# load grid
input_data = open('easy165data')

line_number = 0

first_line = True
for line in input_data:
    if first_line:
        # first line, load the numbers
        iterations = int(line.split()[0])
        x = int(line.split()[1])
        y = int(line.split()[2])

        # intitlize the height (lines) of the grid
        grid = [[] for i in range(y)]

        first_line = False
    else:
        for char in line:
            if char == '#':
                grid[line_number].append(1)
            elif char == '.':
                grid[line_number].append(0)
        line_number += 1

input_data.close()

# grid loaded, loop through, inserting into next grid
for run in range(1, iterations + 1):
    # clear screen for output
    os.system('cls' if os.name == 'nt' else 'clear')
    next_grid = [[] for i in range(y)]
    for rownum in range(y):
        for cellnum in range(x):
            next_grid[rownum].append(check_life(rownum, cellnum, grid))
    grid = next_grid
    print("Pass #%d" % run)
    display_grid(grid)
    time.sleep(1)

easy165data

32 17 17
.................
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....###...###....
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..#....#.#....#..
..#....#.#....#..
..#....#.#....#..
....###...###....
.................
....###...###....
..#....#.#....#..
..#....#.#....#..
..#....#.#....#..
.................
....###...###....
.................
.................