📜  pandas 使用 map lambda 填充 python 代码示例
📅  最后修改于: 2022-03-11 14:47:20.159000             🧑  作者: Mango
代码示例1
import numpy as np
df1['user_score'] = np.where(df1['user_score'].isna(), df2['user_score'], df1['user_score'])