4 examples of 'random choices python' in Python

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84def choice(*args, **kwargs):
85 return _default.choice(*args, **kwargs)
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273def choice(self, seq):
274 """Choose a random element from a non-empty sequence."""
275 return seq[int(self.random() * len(seq))] # raises IndexError if seq is empty
67def weighted_choice(choices):
68 total = sum(w for c, w in choices)
69 r = random.uniform(0, total)
70 upto = 0
71 for c, w in choices:
72 if upto + w >= r:
73 return c
74 upto += w
75 assert False, "Shouldn't get here"
20def choice_input(question, choices, default=None):
21 """
22 Ask user for choice in a list, indexed by integer response
23
24 :param default:
25 :param question: The question to ask
26 :param choices: List of possible choices
27 :return: Selected choice by user
28 :rtype: int
29 """
30 print("%s:" % question)
31 for i, choice in enumerate(choices):
32 print("-%s) %s" % (i + 1, choice))
33 result = input("Select an option: ")
34 try:
35 value = int(result)
36 if 0 < value <= len(choices):
37 return value
38 except ValueError:
39 if default:
40 return default
41 else:
42 return choice_input('Please select a valid value', choices, default)

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