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First solution in Clear category for Call to Home by l.szyman10
from math import ceil
def total_cost(calls):
data = [(call[0], ceil(int(call[2])/60)) for call in [call.split(' ') for call in calls]]
time = {}
for day, value in data:
if day in time.keys():
time[day] += value
else:
time[day] = value
return sum([2*x -100 if x>100 else x for x in time.values()])
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert total_cost(("2014-01-01 01:12:13 181",
"2014-01-02 20:11:10 600",
"2014-01-03 01:12:13 6009",
"2014-01-03 12:13:55 200")) == 124, "Base example"
assert total_cost(("2014-02-05 01:00:00 1",
"2014-02-05 02:00:00 1",
"2014-02-05 03:00:00 1",
"2014-02-05 04:00:00 1")) == 4, "Short calls but money..."
assert total_cost(("2014-02-05 01:00:00 60",
"2014-02-05 02:00:00 60",
"2014-02-05 03:00:00 60",
"2014-02-05 04:00:00 6000")) == 106, "Precise calls"
March 21, 2020
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