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 vote233 views1 answer
Anagrams python
Python
3 votes275 views2 answers
Install python with git bash
Python
2 votes238 views2 answers
Character in function python 3
Python
8 votes257 views6 answers
Python int to binary
Python
95 votes244 views5 answers
Python string in string
Python
10 votes247 views2 answers
Check if key exists in sesison python
Python
3 votes233 views1 answer
How to check for a particular word in a text file using python
Python
0 vote261 views1 answer
Spansk dansk
Python
0 vote259 views1 answer
How to estimate memory of dataset using python command
Python
2 votes270 views1 answer
How to reomve certain row from dataframe pandas
Python