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Pandas DataFrame iteritems() 方法

❮ DataFrame 参考


示例

返回每一列的标签和内容

import pandas as pd

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

df = pd.DataFrame(data)

for x, y in df.iteritems()
  print(x)
  print(y)
自己尝试 »

定义和用法

iteritems() 方法生成 DataFrame 的迭代器对象,允许我们迭代 DataFrame 的每一列。

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注意:此方法与 items() 方法相同。

每次迭代产生一个标签对象和一个列对象。

标签是列名。

列对象是每一列的内容,作为 Pandas Series 对象。


语法

for label, content in dataframe.iteritems()

参数

iteritems() 方法不接受任何参数。


返回值

一个 Python 迭代器 对象,每次迭代包含两个对象,标签和内容(作为 Pandas Series 对象)。


❮ DataFrame 参考

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