Python not in list

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

Similar codes

0 vote153 views1 answer
Use get method request html page python
Python
3 votes164 views1 answer
Multiply column of dataframe by number
Python
2 votes166 views1 answer
Python how to write pandas dataframe as tsv file
Python
0 vote174 views1 answer
Hugging face change directory model
Python
0 vote167 views2 answers
Write a program to check whether a character is vowel or consonant in python
Python
0 vote168 views1 answer
Find word position in string python
Python
1 vote165 views2 answers
Install fasttext python
Python
0 vote156 views1 answer
Tuple and dictionary in python
Python
6 votes171 views3 answers
Python colorama
Python
-1 vote180 views2 answers
Shutil remove
Python