Python - heap, heapify, nsmallest

import heapq
import random

data = [random.randint(0, 9) for x in range(10)]

print("A:", data)
heapq.heapify(data)
print("B:", data)
data = heapq.nsmallest(10, data)
print("C:", data)

print()

data = list(reversed(range(10)))

print("A:", data)
heapq.heapify(data)
print("B:", data)
data = heapq.nsmallest(10, data)
print("C:", data)

'''
A: [5, 6, 5, 3, 4, 5, 4, 0, 8, 0]
B: [0, 0, 4, 3, 4, 5, 5, 5, 8, 6]
C: [0, 0, 3, 4, 4, 5, 5, 5, 6, 8]

A: [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
B: [0, 1, 3, 2, 5, 4, 7, 9, 6, 8]
C: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
'''