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

0 vote290 views1 answer
Iterate over meta tag python
Python
2 votes329 views1 answer
Python get ip from hostname
Python
0 vote301 views1 answer
Executing a python script interactively
Python
1 vote281 views1 answer
Show number as 3 digit python
Python
9 votes300 views2 answers
How to read video in opencv python
Python
107 votes273 views6 answers
Python do while loop
Python
0 vote298 views1 answer
Complex arrays python
Python
0 vote339 views2 answers
Flask rest api upload image
Python Flask
0 vote263 views1 answer
Pandas separator are multiple spaces
Python
0 vote321 views1 answer
Basic get method in class based view django
Python Django