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add shuffle & choice

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Update builtins.h
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blueloveTH 2022-11-13 19:58:38 +08:00
parent 2f1effb3e4
commit d03d168b8c
1 changed files with 11 additions and 0 deletions
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11
src/builtins.h
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@ -209,9 +209,20 @@ class Random:
a, b = b, a a, b = b, a
return self.random() * (b - a) + a return self.random() * (b - a) + a
def shuffle(self, L):
for i in range(len(L)):
j = self.randint(i, len(L) - 1)
L[i], L[j] = L[j], L[i]
def choice(self, L):
return L[self.randint(0, len(L) - 1)]
_inst = Random() _inst = Random()
seed = _inst.seed seed = _inst.seed
random = _inst.random random = _inst.random
randint = _inst.randint randint = _inst.randint
uniform = _inst.uniform uniform = _inst.uniform
shuffle = _inst.shuffle
choice = _inst.choice
)"; )";