就像標題說的那樣，我在過濾從 CoinGecko API 獲得的陣列時遇到問題。陣列如下所示：
[
{
"id": "01coin",
"symbol": "zoc",
"name": "01coin"
},
{
"id": "0-5x-long-algorand-token",
"symbol": "algohalf",
"name": "0.5X Long Algorand Token"
},
{
"id": "0-5x-long-altcoin-index-token",
"symbol": "althalf",
"name": "0.5X Long Altcoin Index Token"
}
]
在過濾器之后，我希望它只顯示這樣的“id”：
[
"01coin",
"0-5x-long-algorand-token",
"0-5x-long-altcoin-index-token"
]
這就是我嘗試過濾它的方式：
coinList = 'https://api.coingecko.com/api/v3/coins/list'
listCall = requests.get(coinList)
jsonCall = json.loads(listCall.content)
coinIds = [x for x in jsonCall if x == 'id']
uj5u.com熱心網友回復：
您的串列理解就在那里，但是您應該索引到每個字典而不是使用if子句。它應該看起來像：
[item["id"] for item in jsonCall]
這輸出：
['01coin', '0-5x-long-algorand-token', '0-5x-long-altcoin-index-token']
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