python merge strings in columns
df["period"] = df["Year"].astype(str) + df["quarter"]
python merge strings in columns
df["period"] = df["Year"].astype(str) + df["quarter"]
merge two dataframes based on column
df_outer = pd.merge(df1, df2, on='id', how='outer') #here id is common column
df_outer
merge two columns pandas
df["period"] = df["Year"] + df["quarter"]
how to merge two column pandas
DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]
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