coursera-Applied-Data-Science-with-Python
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Can you explain why did you do digraph in answer_four().
change the edge direction and get a double direction graph
G_copy_df.rename(columns={"From":"From_", "To":"From"}, inplace=True)
G_copy_df.rename(columns={"From_":"To"}, inplace=True)
print (G_copy_df)
G_final_df = pd.concat([G_df, G_copy_df])
print (G_final_df)