Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Frequency Sorting by helebed
from collections import Counter
from itertools import repeat
def frequency_sorting(numbers):
numbers = Counter(sorted(numbers)).most_common()
numbers = [repeat(numbers[x][0], numbers[x][1]) for x in range(len(numbers))]
result = []
for sub in numbers:
for item in sub:
result.append(item)
return result
if __name__ == '__main__':
print(frequency_sorting([1, 2, 3, 4, 5]))
#These "asserts" using only for self-checking and not necessary for auto-testing
assert frequency_sorting([1, 2, 3, 4, 5]) == [1, 2, 3, 4, 5], "Already sorted"
assert frequency_sorting([3, 4, 11, 13, 11, 4, 4, 7, 3]) == [4, 4, 4, 3, 3, 11, 11, 7, 13], "Not sorted"
assert frequency_sorting([99, 99, 55, 55, 21, 21, 10, 10]) == [10, 10, 21, 21, 55, 55, 99, 99], "Reversed"
print("Coding complete? Click 'Check' to earn cool rewards!")
Nov. 30, 2020
Comments: