Python DataFrame Cleanup of Specific Values

>>> import pandas as pd

>>> df = pd.DataFrame({"loc": list("aaabbbcdd"), "dist": [ 1,1,2,1,2,2,4,1,1 ]})
>>> df
  loc  dist
0   a     1
1   a     1
2   a     2
3   b     1
4   b     2
5   b     2
6   c     4
7   d     1
8   d     1
>>> df[df["dist"]>=2]
  loc  dist
2   a     2
4   b     2
5   b     2
6   c     4
>>> df[df["dist"]>=2].groupby("loc").count()
     dist
loc      
a       1
b       2
c       1