打印pandas数据帧中最大形状的索引和值

import pandas as pd

data = {'A': [1, 2, 3], 'B': [4, 5, 6]}
df = pd.DataFrame(data)

max_shape_index = df.shape.idxmax()
max_shape_value = df.shape.max()

print("最大形状的索引：", max_shape_index)
print("最大形状的值：", max_shape_value)