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1val1: float = float(to: input(message: "val1: "));
2val2: float = float(to: input(message: "val2: "));
3op: int = input(message: "op (+, -, *, /): ");
4
5match op
6{
7 "+": {
8 print(message: val1 + val2);
9 }
10 "-": {
11 print(message: val1 - val2);
12 }
13 "*": {
14 print(message: val1 * val2);
15 }
16 "/": {
17 print(message: val1 / val2);
18 }
19 _: {
20 print(message: "Invalid operator!");
21 }
22}