Pandas: Find The Rows Where A Given Column Contains Certain Substring

I have the following code, trying to find the rows in my_df where the values in column_A contain the substring 'abc'. my_df['abc' in my_df.column_A] but I got the following error

Solution 1:

This will return the required row/rows

my_df[my_df['column_A'].str.contains('abc')]