假设我有以下输入作为多维列表
chain = [['.','.','.','.','.','.','.']
['.','.','.','.','.','.','.'],
['.','.','.','.','.','.','.']]
我怎样才能遍历循环并计算每个项目。
# your mapping
m = '.C-|'
# iterate rows then inside iterate columns
out = [[m.index(c) for c in r] for r in grid]
您可以按如下方式使用numpy库:
import numpy as np
grid = np.array([['.','.','.','.','.','.','.'],
['.','C','-','C','-','C','.'],
['.','.','.','|','.','.','.'],
['.','.','.','C','.','.','.'],
['.','.','.','.','.','.','.'],
['.','.','.','.','.','.','.'],
['.','.','.','.','.','.','.']])
grid = np.where(grid=='.', '0', grid)
grid = np.where(grid=='C', '1', grid)
grid = np.where(grid=='-', '2', grid)
grid = np.where(grid=='|', '3', grid)