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修订 b3152e79e936863da6a96d953d2999daa597e7e4

pandasIntro.md 原始文件

Pandas intro

Appned is deprecated.

Use

# temp_df = movies_df.append(movies_df)

dfcopy = movies_df.copy()
temp_df = pd.concat([movies_df, dfcopy], ignore_index=True)
temp_df.shape