How to apply a function can test whether an element in a list in data frame with python-pandas?

Question

For a data frame df, it has a column col contains list value:

 id    col
 1     [1, 10, 23]
 2     [2, 11, 19, 29]
 ..


        

Answer 1

option using apply
df.col.apply(lambda x: 1 in x)

demo
df[df.col.apply(lambda x: 1 in x)]

Answer 2

try read the "apply" function in pandas document.

df['has_element'] = df['col'].apply(lambda x: element in x)