import pandas as pd # 创建示例 DataFrame data = { 'A': [1, 2, 3], 'B': ['a', 'b', 'c'] } df = pd.DataFrame(data) # 修改列 'A' 的值 new_values = [10, 20, 30] df['A'] = new_values print(df) # 修改某列的值 df.loc[0, 'A'] = 55 print(df)
import pandas as pd # 创建示例 DataFrame data = { 'A': [1, 2, 3], 'B': ['a', 'b', 'c'] } df = pd.DataFrame(data) # 修改列 'A' 的值 new_values = [10, 20, 30] df['A'] = new_values print(df) # 修改某列的值 df.loc[0, 'A'] = 55 print(df)