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辞書内の値に応じて値を集計【Python】

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説明

  1. sum() 関数を使って、data リスト内の各辞書から type に基づいて time の値を取得し、それらを合計します。
data = [
    {"time":  60, "type": "1"},
    {"time":  80, "type": "1"},
    {"time": 120, "type": "2"},
    {"time": 180, "type": "2"},
]

total_time = sum(
    entry["time"] if entry["type"] == "1" else 0
    for entry in data
)

print(total_time) # 140
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