python 2 & 3 filter a dictionary by keys or values

filter_dict.py

d = {1:11, 2:22, 3:33}

# filter by key
d2 = {k: v for k, v in filter(lambda t: t[0] in [1, 3], d.items())}

# filter by value
d3 = {k: v for k, v in d.items() if v in [2,3]}