python dataframe check if column value in list code example

Example 1: pandas check if value in column is in a list

df_new[df_new['l_ext'].isin([31, 22, 30, 25, 64])]

Example 2: 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