Pandas merges multiple dataframe data by column

solve the problem ： A loop produces multiple single column Dataframe, I want a cycle , Use one Dataframe Put these Dataframe Connect .

The functions that need to be used are pd.contcat,

 df2 = pd.DataFrame()

cell_list = [1,2,4,5,6,8]

  for cell_num in cell_list:
        data = data[data['num']==cell_num]
        df = pd.DataFrame(data[['Time']])
        df.rename(columns={'Time':data_new_columns},inplace = True)
        df2 = pd.concat([df2,df],axis=1)

Reference link ：https://blog.csdn.net/S_o_l_o_n/article/details/84332299