使用Python根据列表中出现的父值来提取子值可以通过以下步骤实现:
relationships = [
{"parent": "A", "child": "B"},
{"parent": "A", "child": "C"},
{"parent": "B", "child": "D"},
{"parent": "C", "child": "E"},
{"parent": "D", "child": "F"}
]
def extract_children(parent, relationships):
children = []
for relationship in relationships:
if relationship["parent"] == parent:
children.append(relationship["child"])
return children
parent = "A"
children = extract_children(parent, relationships)
print(children)
输出结果为:['B', 'C']
这样,你就可以根据列表中出现的父值来提取子值了。根据实际需求,你可以将这个函数进行扩展,实现更复杂的父子关系提取逻辑。
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