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问题描述

我只有一个(很可能)最后一个问题。从我发送最后一个问题开始,我已经取得了一些进展,到目前为止我已经编写了 5/6 个函数(1、2、3、5 和 6),而函数 4 实际上只是将函数 5 和 6 放在一起,这是我需要帮助的。到目前为止,这是我的代码:

"""
Function 1: create a blank grid
input: nothing
return: a blank grid

Function 2: print a given grid
input: a grid
return: nothing

Function 3: load a pattern
input: a file name, a grid
return: nothing

Function 4: advance a grid one generation
input: a grid
return: a new grid advanced by one generation

Function 5: advance a cell one generation
input: a row, a column, a grid
return: whether the cell is alive or not (True or False)

Function 6: determine the number of living neighbors of a cell
input: a row, a column, a grid
return: the number of living neighbors of the cell

"""

living_cell = "O"
dead_cell = "-"


def create_blank_grid():
    # # line = [dead_cell for i in range(59)]
    # line = []
    # for i in range(59):
    #     line.append(dead_cell)
    #
    # # grid = [["-"] * 30 for i in range(60)]
    # line.append("\n")
    # # grid = [line for i in range(30)]

    line = []
    for i in range(59):
        line.append(dead_cell)
    line.append("\n")

    grid = []
    for j in range(30):
        grid.append(line[:])

    return grid


# print(create_blank_grid())

def print_grid(grid):
    for i in grid:
        # print(len(i))
        for j in i:
            if j == "\n":
                print(" " * (69 - 59))
            else:
                print(j, end="")


# print_grid(create_blank_grid())


def load_design(file_name, grid):
    myFile = open(file_name, "r")
    coordinates = []
    for line in myFile:
        real_line = line.split()
        row, col = real_line[0], real_line[1]
        coordinates.append((row, col))
    myFile.close()

    # turn on certain cells here

    for row, col in coordinates:
        row, col = int(row), int(col)
        # print(row, col)
        grid[row][col] = living_cell
        # print_grid(grid)

    for i in grid:
        # print(len(i))
        for j in i:
            print(j, end="")


# load_design("hertz-oscillator.in", create_blank_grid())


def num_living_neighbors(row, col, grid):
    living_neighbors_count = 0

    if grid[row][col + 1] == living_cell:
        living_neighbors_count += 1

    if grid[row][col - 1] == living_cell:
        living_neighbors_count += 1

    if grid[row + 1][col] == living_cell:
        living_neighbors_count += 1

    if grid[row - 1][col] == living_cell:
        living_neighbors_count += 1

    if grid[row + 1][col + 1] == living_cell:
        living_neighbors_count += 1

    if grid[row + 1][col - 1] == living_cell:
        living_neighbors_count += 1

    if grid[row - 1][col + 1] == living_cell:
        living_neighbors_count += 1

    if grid[row - 1][col - 1] == living_cell:
        living_neighbors_count += 1

    return living_neighbors_count


def adv_cell_one_gen(row, col, grid):
    row = int(row)
    col = int(col)
    # is alive, less than 2 alive neighbors
    if grid[row][col] == living_cell and num_living_neighbors(row, col, grid) < 2:
        return False

    # is alive, 2 or 3 alive neighbors
    if grid[row][col] == living_cell and (
            num_living_neighbors(row, col, grid) == 2 or num_living_neighbors(row, col, grid) == 3):
        return True

    # is alive, more than 4 alive neighbors
    if grid[row][col] == living_cell and num_living_neighbors(row, col, grid) > 4:
        return False
    # is dead, has 3 alive neighbors
    if grid[row][col] == dead_cell and num_living_neighbors(row, col, grid) == 3:
        return True


def adv_grid_one_gen(grid):
    # for i in range(len(grid)):
    #   for j in range(i):
    #     adv_cell_one_gen(j, i, grid)

    for i in grid:
        for j in i:
            if adv_cell_one_gen(j, i, grid) == True:
                grid[i][j] = living_cell
            else:
                grid[i][j] = dead_cell
    return grid


# print(adv_grid_one_gen(create_blank_grid()))
adv_grid_one_gen(create_blank_grid)

功能一:create_blank_grid

功能二:打印网格

功能三:load_design

功能四:adv_grid_one_gen

功能 5:adv_cell_one_gen

功能 6:num_living_neighbors

我的问题是,当我尝试运行此程序时,出现此错误: ![基本上是一个错误

我知道在 adv_cell_one_gen 函数中,我将 row 和 col 设为整数(使用 row = int(row) 和 col = int(col)),这会导致错误,但如果我不这样做,那么我由于没有整数的索引,会出现索引错误。我认为我的代码在其他地方存在根本缺陷,我不知道在哪里,但我认为我处于死胡同。这是我的问题,我希望你能提供帮助。

标签: pythonpython-3.xconways-game-of-life

解决方案


"".join(line), line 应该是一个字符串列表。

但是,如果我们查看您的代码,您正在附加living_cellor dead_cell,您在前两行中将其声明为布尔值。因此,line 现在是一个布尔值列表,这是错误的输入类型。

我不确定你想在这里实现什么,但如果你只想打印输出,你可以做

line.append(str(living_cell))
line.append(str(dead_cell))

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