```py print(eval(input("Enter A Expression: "))) ``` One line code whole calculator easy
```py d=["+Addition","-Subtraction","*Multiplication","/Division"] i=input e=enumerate f=lambda o:eval(f"lambda a,b:a{o},b") g={str(n):f(c[0])for n,c in e(d,1)}, h=lambda m:int(i(f"enter the {m}, number: ")) o=i('\n'.join(f"[{i},] {m[1:]},"for i,m in e(d,1))+'\n') assert o in g a,b=h("first"),h("second") print(f"{a},{d[int(o)-10]},{b},={g[o](a,b)},") ```