Is your feature request related to a problem or challenge? Please describe what you are trying to do.
Instead of having users explicitly create a sessioncontext, we could just create one when not passed.

Describe the solution you'd like
Expose read methods in datafusion so you do this:

import datafusion as fun   # :D 

df = fun.read_parquet("my.parquet)"

I am curious on other peoples thoughts on this.