First clear solution for Call to Home by flpo - python coding challenges

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First solution in Clear category for Call to Home by flpo

from collections import defaultdict
from math import ceil

def total_cost(calls):
    daily_minutes = defaultdict(lambda: 0)
    for call in calls:
        day, _, duration = call.split(' ')
        daily_minutes[day] += ceil(int(duration) / 60)
    return sum((2*m - min(m, 100)) for m in daily_minutes.values())

Sept. 26, 2017

Comments:

vvm70 on Jan. 18, 2021, 12:38 p.m.
<p>Unusual function: defaultdict(lambda: 0). It shortens the code.</p>

lxf42 on April 13, 2022, 8:28 a.m.
<p>I like the solution with defaultdict, I used a standard dict with the get method</p>

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