dict-comprehension

Python dictionary comprehension with Pandas

Python dictionary comprehension with Pandas Question: I am trying to create a dictionary from two columns of a DataFrame (df) mydict={x :y for x in df[‘Names’] for y in df[‘Births’]} But all of the values are the same(the last value in the column)! {‘Bob’: 973, ‘Jessica’: 973, ‘John’: 973, ‘Mary’: 973, ‘Mel’: 973} I checked …

Total answers: 2

Dict merge in a dict comprehension

Dict merge in a dict comprehension Question: In python 3.5, we can merge dicts by using double-splat unpacking >>> d1 = {1: ‘one’, 2: ‘two’} >>> d2 = {3: ‘three’} >>> {**d1, **d2} {1: ‘one’, 2: ‘two’, 3: ‘three’} Cool. It doesn’t seem to generalise to dynamic use cases, though: >>> ds = [d1, d2] …

Total answers: 6