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- import pandas as pd
- import numpy as np
- # 创建一个示例DataFrame
- df = pd.DataFrame({
- 'A': [1, np.nan, 3],
- 'B': [np.nan, np.nan, np.nan],
- 'C': [2, 2, np.nan],
- 'D': [np.nan, 3, 3]
- })
- # 指定你想要检查的列
- columns_to_check = ['A', 'B', 'C']
- # 检查指定列中非全为空的列
- non_empty_columns = df[columns_to_check].apply(lambda x: x.notnull().any(), axis=0)
- # 获取非全为空的列名
- non_empty_column_names = non_empty_columns[non_empty_columns].index.tolist()
- print("非全为空的列名:", non_empty_column_names)
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