如何在字典列表中獲取所有身高相同的人

Question

我有這個字典列表：

data = [{"nome": "joao",    "idade": "16", "altura": "167"},
        {"nome": "Gabriel", "idade": "12", "altura": "167"},
        {"nome": "Rodrigo", "idade": "14", "altura": "170"},
        {"nome": "Filipe",  "idade": "21", "altura": "167"}]

我需要返回的是這樣的：

{167: 3, 170: 1}

看起來很簡單，它必須有一些東西可以一步完成，但我就是做不到（我不能使用任何類型的導入）。 有誰知道怎么做？

Answer 1

from collections import Counter
result = Counter(d["altura"] for d in data)
print(result)
# result: Counter({'167': 3, '170': 1})

Answer 2

heights = {}
for i in data:
    if i["altura"] in heights:
        heights[i["altura"]] += 1
    else:
        heights[i["altura"]] = 1

print(heights)

Answer 3

一個可能的解決方案是

obj = [itm["altura"] for itm in data]
{key: obj.count(key) for key in set(obj)}