a = pd.DataFrame([[1,2,3],
[4,5,6],
[7,8,9]],columns=['a','b','c'])
b = pd.DataFrame([[11,23,45],
[22,23,24],
[31,32,33]],columns=['a','b','c'])
pd.concat([a,b],axis=0,ignore_index=True)
标签:11,两表,23,DataFrame,concat,pd,columns
来源: https://www.cnblogs.com/zhangzhixing/p/11671111.html