Add data to empty column pandas

Add empty column to dataframe pandas

>>> import numpy as np
>>> import pandas as pd
>>> df = pd.DataFrame({"A": [1,2,3], "B": [2,3,4]})
>>> df
   A  B
0  1  2
1  2  3
2  3  4
>>> df["C"] = ""
>>> df["D"] = np.nan
>>> df
   A  B C   D
0  1  2   NaN
1  2  3   NaN
2  3  4   NaN

Source: stackoverflow.com

Similar codes

0 vote150 views2 answers
Idxmax in python
Python
0 vote155 views1 answer
Django.db.utils.IntegrityError: column contains null values
Python
0 vote150 views1 answer
How to check if one value is in the list python
Python
0 vote155 views1 answer
Import sys execute cmd
Python
1 vote166 views1 answer
Pyspark take random sample
Python
0 vote164 views1 answer
PyPi module to make your terminal look like hacking
Python
0 vote162 views1 answer
Python stop the whole function
Python
3 votes196 views1 answer
Csrf token exempt django
Python Django
37 votes153 views6 answers
How to install pip ubuntu python2
Python
0 vote153 views1 answer
Php echo shorthand example
Python