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GeezerVison is showing github.com — learn-python/src/standard_libraries/test_math.py at master · aashishpt/learn-python Expand file tree/ Copy pathtest_math.pyMore file actions 58 lines (40 loc) · 1.55 KB / Copy pathtest_math.pyFile metadata and controls58 lines (40 loc) · 1.55 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 """Math. @see: https://docs.python.org/3/tutorial/stdlib.html#mathematics Math module is useful as many math functions are already implemented and optimized. """ import math import random import statistics def test_math(): """Math. The math module gives access to the underlying C library functions for floating point math. """ assert math.cos(math.pi / 4) == 0.70710678118654757 assert math.log(1024, 2) == 10.0 def test_random(): """Random. The random module provides tools for making random selections. """ # Choose from the list randomly. random_options = ['apple', 'pear', 'banana'] random_choice = random.choice(random_options) # i.e. 'apple' assert random_choice in random_options # Sampling without replacement. random_sample = random.sample(range(100), 10) # i.e. [30, 83, 16, 4, 8, 81, 41, 50, 18, 33] for sample in random_sample: assert 0 <= sample <= 100 # Choose random number. random_float = random.random() # i.e. 0.17970987693706186 assert 0 <= random_float <= 1 # Random integer chosen from range(6) random_integer = random.randrange(6) # i.e. 4 assert 0 <= random_integer <= 6 def test_statistics(): """Statistics. The statistics module calculates basic statistical properties (the mean, median, variance, etc.) of numeric data. """ data = [2.75, 1.75, 1.25, 0.25, 0.5, 1.25, 3.5] assert statistics.mean(data) == 1.6071428571428572 assert statistics.median(data) == 1.25 assert statistics.variance(data) == 1.3720238095238095 |
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