1 number of sales product store gender item returned date 2 3 top london male no Jan-21 3 4 hat london female no Feb-21 4 1 trouser manchester female no Feb-21 1 top 1 top 1 top 5 liverpool female no...

How would i use python the create a function to display the different stores that made a sale in this csv?

I need a list of each store that made a sale

no pandas

Extracted text: 1 number of sales product store gender item returned date 2 3 top london male no Jan-21 3 4 hat london female no Feb-21 4 1 trouser manchester female no Feb-21 1 top 1 top 1 top 5 liverpool female no Mar-21 6 eastbourne male no Apr-21 7 leeds female no Apr-21 8 3 glasses eastbourne male no May-21 9 2 socks eastbourne female no May-21