append one row to pandas dataframe
df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)append one row to pandas dataframe
df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)how to append a dataframe to another dataframe in pandas
# all_res is list of DataFrames : [ dataframe, dataframe, ... ]
df_res = pd.concat(all_res)append data to column in pan
In [35]:
df1 = pd.DataFrame.from_items([('A', [1, 2, 3]), ('B', [4, 5, 6])])
df2 = pd.DataFrame.from_items([('B', [5, 6, 7]), ('A', [8, 9, 10])])
df3 = pd.DataFrame.from_items([('C', [5, 6, 7]), ('D', [8, 9, 10]), ('A',[1,2,3]), ('B',[4,5,7])])
df_list = [df1,df2,df3[['A','B']]]
pd.concat(df_list, ignore_index=True)
Out[35]:
A B
0 1 4
1 2 5
2 3 6
3 8 5
4 9 6
5 10 7
6 1 4
7 2 5
8 3 7Copyright © 2021 Codeinu
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