4 examples of 'random choices python' in Python

84
def choice(*args, **kwargs):
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    return _default.choice(*args, **kwargs)

273
def choice(self, seq):
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    """Choose a random element from a non-empty sequence."""
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    return seq[int(self.random() * len(seq))]  # raises IndexError if seq is empty

67
def weighted_choice(choices):
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  total = sum(w for c, w in choices)
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  r = random.uniform(0, total)
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  upto = 0
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  for c, w in choices:
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    if upto + w >= r:
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      return c
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    upto += w
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  assert False, "Shouldn't get here"

20
def choice_input(question, choices, default=None):
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    """
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    Ask user for choice in a list, indexed by integer response
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    :param default:
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    :param question: The question to ask
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    :param choices: List of possible choices
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    :return: Selected choice by user
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    :rtype: int
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    """
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    print("%s:" % question)
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    for i, choice in enumerate(choices):
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        print("-%s) %s" % (i + 1, choice))
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    result = input("Select an option: ")
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    try:
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        value = int(result)
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        if 0 < value <= len(choices):
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            return value
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    except ValueError:
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        if default:
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            return default
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        else:
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            return choice_input('Please select a valid value', choices, default)