python transform two columns to a list combine
df["pair_var"] = df[["var_1", "var_2"]].values.tolist()python transform two columns to a list combine
df["pair_var"] = df[["var_1", "var_2"]].values.tolist()merge two columns pandas
df["period"] = df["Year"] + df["quarter"]Copyright © 2021 Codeinu
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