我试图将每个element[x]
从列表:行映射到sub-list[x]
的所有元素从另一个列表:cols和结果应该是元组列表。这两个列表,行和颜色有相同的长度,行中的每个元素将对应于列表颜色中的子列表(不同长度)。
输出应该是一个元组列表,其中每个元组都有映射/压缩的元素:(row[0], cols[0][0]), (row[0], cols[0][1]), (row[1], cols[1][0])
等…
输入:
rows = [502, 1064, 1500]
cols = [[555, 905], [155, 475], [195, 595, 945]]
所需输出:
mapped = [(502, 555), (502, 905), (1064, 155), (1064, 475), (1500, 195), (1500, 959), (1500, 945)]
谢谢!
Code: [List Comprehension]
rows = [502, 1064, 1500]
cols = [[555, 905], [155, 475], [195, 595, 945]]
mapped = [(row, col) for row, nested_col in zip(rows, cols) for col in nested_col]
print(mapped)
输出:
[(502, 555), (502, 905), (1064, 155), (1064, 475), (1500, 195), (1500, 595), (1500, 945)]
尝试:
rows = [502, 1064, 1500]
cols = [[555, 905], [155, 475], [195, 595, 945]]
out = []
for r, c in zip(rows, cols):
for v in c:
out.append((r, v))
print(out)
打印:
[(502, 555), (502, 905), (1064, 155), (1064, 475), (1500, 195), (1500, 595), (1500, 945)]