Abstract: This article is to explain how to replace a value in a column.
Application Scenarios:
Suppose we have the following dataset:
We want to replace all the strings inside that are not pre with Nonpre, how do we do that?
It's simple to do.
df['col2']=df['col1'] [df['col1'] !=' pre','col2']=Nonpre
This above python pandas how to replace a value in a column is all I have shared with you.