题解 | #四则运算#
四则运算
https://www.nowcoder.com/practice/9999764a61484d819056f807d2a91f1e
import re
inData = input()
inData = re.sub("[\{\[]", "(", inData)
inData = re.sub("[\}\]]", ")", inData)
out = eval(inData)
# don't know why must be int !!!
print(int(out))
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