Pandas not in list

>>> df
  countries
0        US
1        UK
2   Germany
3     China
>>> countries
['UK', 'China']
>>> df.countries.isin(countries)
0    False
1     True
2    False
3     True
Name: countries, dtype: bool
>>> df[df.countries.isin(countries)]
  countries
1        UK
3     China
>>> df[~df.countries.isin(countries)]
  countries
0        US
2   Germany

Source: stackoverflow.com

Python not in list

>>> 3 not in [2, 3, 4]
False
>>> 3 not in [4, 5, 6]
True

Source: stackoverflow.com

Pandas column not in list

col_list = ['Fx', 'Fy','Fz']
col_mask = ~(df.columns.isin(col_list)) # boolean list of whether each col in df is in col_list
other_cols = data.columns[col_mask] 
df[other_cols] = ...

Isnotin python

import pandas as pd

>>> df
  country
0        US
1        UK
2   Germany
3     China
>>> countries_to_keep
['UK', 'China']
>>> df.country.isin(countries_to_keep)
0    False
1     True
2    False
3     True
Name: country, dtype: bool
>>> df[df.country.isin(countries_to_keep)]
  country
1        UK
3     China
>>> df[~df.country.isin(countries_to_keep)]
  country
0        US
2   Germany

Source: stackoverflow.com

Similar codes

1 vote240 views1 answer
Uniform distribution python example
Python
1 vote223 views1 answer
Flask cors policy no 'access-control-allow-origin'
Python Flask
4 votes169 views1 answer
Fixed precision float python
Python
-1 vote166 views1 answer
How to give values to all users with discord api python grepper
Python
10 votes185 views3 answers
Isletter python
Python
0 vote161 views1 answer
How to install gym
Python
1 vote160 views2 answers
Python write json to file utf8
Python
0 vote199 views1 answer
Python path from string
Python
-1 vote197 views1 answer
How to subtract dates in Python
Python
0 vote176 views1 answer
How to incorportate a different language in python code
Python