33 lines
825 B
Python
33 lines
825 B
Python
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#!/usr/bin/env python3
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from rules import part1_rules
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def main(grid, rules):
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generation = 0
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while True:
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changes, next_grid = step(grid, rules)
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generation += 1
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grid = next_grid
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assert generation < 1000
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if changes == 0:
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return next_grid.count("#")
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def step(grid, rules):
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changes = 0
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next_grid = grid[:]
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for index, cell in enumerate(grid):
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try:
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changes += rules[cell](index, grid, next_grid)
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except KeyError:
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pass
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return changes, next_grid
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if __name__ == "__main__":
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with open("input.txt") as infile:
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grid = list("".join(infile.read().splitlines()))
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print("Part 1 ", main(grid, rules=part1_rules))
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# print("Part 2 ", main(grid, rules={"L": handle_empty_2, "#": handle_occupied_2}))
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