Python - Convert set of rows with similar keys to column with list of values

I have such table

[one, 123]
[one, 213]
[two, 234]
[two, 525]
[two, 65]
[three, 48]

Need to convert as

one: 123, 213
two: 234, 525, 65
three: 48

Please let me know how I can write it in Python. Thanks.