Python Programming

You can append more rows to a DataFrame/Series with the .append(other) method. other can be a DataFrame or Series or dict-like object, or a list of these.

Note that this method returns a new DataFrame/Series, rather than modifying the existing object.

See the official documentation for more details and examples.

>>> df = pd.read_csv("pokemon.csv", index_col="Name")
>>> print(df.shape)
(800, 12)
>>> doubled_df = df.append(df)  # Append the same Pokemon rows to DataFrame
>>> print(doubled_df.shape)
(1600, 12)