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

6 votes183 views1 answer
Jupyter pdataframe max rows
Python
1 vote131 views1 answer
How to normalize the data to get to the same range in python pandas
Python
1 vote141 views5 answers
Networkx draw labels
Python
0 vote131 views1 answer
Python module to get football results
Python
7 votes97 views2 answers
Python gui size
Python
79 votes129 views6 answers
How to create a virtual environment in python 3
Python
11 votes136 views1 answer
Selecting items in a column of a dataframe
Python
1 vote123 views1 answer
Get content of one column in pandas
Python
32 votes132 views6 answers
Pandas count unique values in column
Python
61 votes140 views6 answers
Python classes
Python