Pandas NaN to None

上次處理資料找了一次答案，今天處理資料又用到，記錄一下。

Python Pandas 讀取 csv 檔把 NaN 轉成 None

import pandas as pd
import numpy as np

df = pd.read_csv("xxx.csv", encoding='utf8', header=None, low_memory=False)
df = df.replace({pd.np.nan: None})

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