Mar 30, 2014 · I want to know the use of random.sample() method and what does it give? When should it be used and some example usage.

The sample method returns a new list containing elements from the population while leaving the original population unchanged. The resulting list is in selection order so that all sub-slices will also be valid …

random.sample(range(len(mylist)), sample_size) generates a random sample of the indices of the original list. These indices then get sorted to preserve the ordering of elements in the original list. …

Mar 18, 2012 · I tried using random.randint(0, 100), but some numbers were the same. Is there a method/module to create a list unique random numbers?

Sep 20, 2013 · 37 Python has my_sample = random.sample(range(100), 10) to randomly sample without replacement from [0, 100). Suppose I have sampled n such numbers and now I want to …

Computers programs in Python always do one thing at a time. Every program is a sequence of very tiny steps. Now, the question then becomes "What steps do I want completed when I print the list?". And …

a = 17% b = 12% c = 4% etc. "a" has 1700 items in the list. "b" has 1200 items in the list. "c" has 400 items in the list. Instead of using all information, I want a sample that mimics the distribution of a, b, …

This is so much faster than numpy.random.choice . Picking from a list of 8 weighted items 10,000 times, numpy.random.choice took 0.3286 sec where as random.choices took 0.0416 sec, about 8x faster.

print(random.sample(colors,4)) How do I get a list of 4 colors, with repeating letters possible?

156 Note (Oct. 2020): as of v3.9, Python has officially deprecated random.sample() working on sets, with the official guidance being to explicitly convert the set to a list or tuple before passing it in, …