Read two column CSV as dict with 1st column as key

Question

I have a CSV with two columns, column one is the team dedicated to a particular building in our project.

The second column is the actual building number.

Wha

Answer 1

This works:

import csv

result={}
with open('/tmp/test.csv','r') as f:
    red=csv.DictReader(f)
    for d in red:
        result.setdefault(d['team'],[]).append(d['bldg'])

#results={'1': ['1450'], '3': ['204', '250', '1437'], '2': ['1440']}