实验任务2
r1 = eval('1 + 2') print(type(r1), r1) r2 = eval('[1, 6, 7.5]') print(type(r2), r2) r3 = eval('"python"') print(type(r3), r3) r4 = eval('7, 42') print(type(r4), r4)
1 x, y = eval(input('Enter two oprands: ')) 2 ans = x + y 3 print(f'{x} + {y} = {ans}') 4 print(f'{type(x)} + {type(y)} = {type(ans)}')