题解 | #四则运算#
四则运算
http://www.nowcoder.com/practice/9999764a61484d819056f807d2a91f1e
s = input()
l = ["{","}","[","]"]
for i in range(4):
if l[i] == "{"&nbs***bsp;l[i] == "[":
s=s.replace(l[i], "(")
else:
s=s.replace(l[i], ")")
print(int(eval(s)))
# print(eval(s))
eval()简单粗暴
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