append dataframe to another dataframe
>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'), index=['x', 'y'])
>>> df
A B
x 1 2
y 3 4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'), index=['x', 'y'])
>>> df.append(df2, ignore_index=True)
A B
x 1 2
y 3 4
x 5 6
y 7 8append one row to pandas dataframe
df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)append dataframe pandas
>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'))
>>> df
A B
0 1 2
1 3 4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'))
>>> df.append(df2)
A B
0 1 2
1 3 4
0 5 6
1 7 8merge two columns name in one header pandas
df['A'] = df[a_cols].apply(' '.join, axis=1)how to append a dataframe to another dataframe in pandas
# all_res is list of DataFrames : [ dataframe, dataframe, ... ]
df_res = pd.concat(all_res)appending dataframes pandas
>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'))
>>> df
A B
0 1 2
1 3 4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'))
>>> df.append(df2)
A B
0 1 2
1 3 4
0 5 6
1 7 8Copyright © 2021 Codeinu
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