Answers for "set column names when creating dataframe python"

change specific column name pandas

df_new = df.rename(columns={'A': 'a'}) #change a from A

create dataframe with column names pandas

In [4]: import pandas as pd
In [5]: df = pd.DataFrame(columns=['A','B','C','D','E','F','G'])
In [6]: df
Out[6]:
Empty DataFrame
Columns: [A, B, C, D, E, F, G]
Index: []