如何比较每个Dataframe和返回字符串的不同大小的值

import pandas as pd

# 创建两个示例Dataframe
df1 = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})
df2 = pd.DataFrame({'C': [7, 8, 9], 'D': [10, 11, 12]})

# 获取Dataframe的大小
size_df1 = df1.shape
size_df2 = df2.shape

# 比较Dataframe的大小
if size_df1[0] > size_df2[0] or size_df1[1] > size_df2[1]:
    result = "Dataframe df1 is larger than df2"
elif size_df1[0] < size_df2[0] or size_df1[1] < size_df2[1]:
    result = "Dataframe df1 is smaller than df2"
else:
    result = "Dataframe df1 and df2 have the same size"

# 返回字符串表示的大小值
size_str_df1 = "Dataframe df1 size: " + str(size_df1[0]) + " rows, " + str(size_df1[1]) + " columns"
size_str_df2 = "Dataframe df2 size: " + str(size_df2[0]) + " rows, " + str(size_df2[1]) + " columns"

# 打印结果
print(result)
print(size_str_df1)
print(size_str_df2)

Dataframe df1 is smaller than df2
Dataframe df1 size: 3 rows, 2 columns
Dataframe df2 size: 3 rows, 4 columns