题解 | #四则运算#
四则运算
https://www.nowcoder.com/practice/9999764a61484d819056f807d2a91f1e
while 1:
try:
s=input()
s=s.replace("{","(")
s=s.replace("}",")")
s=s.replace("[","(")
s=s.replace("]",")")
print(int(eval(s)))
except:
break
