47 lines
1.0 KiB
Python
47 lines
1.0 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# IMPORTS
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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from fractions import Fraction;
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import math;
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import numpy as np;
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import random;
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from typing import TypeVar;
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# MODIFICATIONS
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# local usage only
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T = TypeVar('T');
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def sample(
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X: list[T],
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size: int = 1,
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replace: bool = True,
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) -> list[T]:
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'''
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@inputs
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- `X` - a list
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- `size` <int> - desired sample size
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- `replace` <bool> - optional replacement
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@returns a sample from an uniformly distributed set.
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'''
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return np.random.choice(X, size=size, replace=replace).tolist();
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# EXPORTS
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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__all__ = [
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'Fraction',
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'math',
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'np',
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'random',
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'sample',
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];
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