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Pandas DataFrame 的 iterrows() 方法

❮ DataFrame 参考


示例

迭代 DataFrame 的行,并打印每个“firstname”

import pandas as pd

data = {
  "firstname": ["Sally", "Mary", "John"],
  "age": [50, 40, 30]
}

df = pd.DataFrame(data)

for index, row in df.iterrows()
  print(row["firstname"])
自己尝试 »

定义和用法

The iterrows() 方法生成 DataFrame 的迭代器对象,允许我们迭代 DataFrame 中的每一行。

每次迭代都会产生一个索引对象和一个行对象(一个 Pandas Series 对象)。


语法

dataframe.iterrows()

参数

The iterrows() 方法不接受任何参数。


返回值

一个迭代器,每行有两个对象,索引和内容作为 Pandas Series 对象。


❮ DataFrame 参考

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