Python 如何连接熊猫中的两个数据帧？

有两个数据帧

如何按元素连接

你可以看到代码

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如果索引和列相同，请使用以下任何数据帧字符串串联操作

df1 + ' ' + df2

              string1                       string2
0  Hello how are you?       This is Sam from Canada
1       Good? morning  Are you free to have a talk?

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“如何获得下一行：”。。。我看到两排了吗？不是1。结果如何？

df1 + ' ' + df2

              string1                       string2
0  Hello how are you?       This is Sam from Canada
1       Good? morning  Are you free to have a talk?

df1.add(' ').add(df2)

              string1                       string2
0  Hello how are you?       This is Sam from Canada
1       Good? morning  Are you free to have a talk?

df2.radd(df1.add(' '))

              string1                       string2
0  Hello how are you?       This is Sam from Canada
1       Good? morning  Are you free to have a talk?