本文介绍了如何将字符串变量分配给数据框名称的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
限时送ChatGPT账号..我遇到了一个问题,这是一个 for 循环程序.如下所示:
I had a problem, which is a for loop program.like below:
list = [1,2,3,4]
for index in list:
new_df_name = "user_" + index
new_df_name = origin_df1.join(origin_df2,'id','left')
但new_df_name"只是一个变量和字符串类型.
but the "new_df_name" is just a Variable and String type.
如何实现这些?
推荐答案
我想,你真正需要的是有一个数据框列表(不需要有任何特定名称),然后将它们联合在一起.
I assume, what you really need is to have a list of dataframes (which non necessary have any specific names) and then union them all together.
dataframes = [df1, df2, df3, etc... ]
res_df, tail_dfs = dataframes[0], dataframes[1:]
for df in tail_dfs:
res_df = res_df.unionAll(df)
更新.评论中描述的联合更好的选择.
upd. even better option to union described in comment.
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