Append to pandas dataframe

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  8

Source: pandas.pydata.org

Append to pandas dataframe

df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)

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  8

Source: pandas.pydata.org

Append 1 colimn in pandas df

> dat1 = pd.DataFrame({'dat1': [9,5]})
> dat2 = pd.DataFrame({'dat2': [7,6]})
> dat1.join(dat2)
   dat1  dat2
0     9     7
1     5     6

Source: stackoverflow.com

Similar codes

0 vote46 views1 answer
How to resize windows in python
Python
0 vote47 views1 answer
How to make a password generating program in python
Python
1 vote42 views1 answer
Rotation points space python
Python
0 vote48 views1 answer
Basic script
Python
0 vote2 views1 answer
Ros python service client
Python
0 vote48 views1 answer
Replace by positions a string in a list with another string python
Python
0 vote44 views1 answer
3d array
Python
1 vote91 views1 answer
Python logging basicconfig stdout
Python
0 vote43 views1 answer
Dask dataframe csv tutorial
Python
44 votes50 views6 answers
Python random string
Python