实现程序会读入两行，每行都是一个数字，输出这两个数字的和
#!/usr/bin/env python3
#-*- codin:utf-8 -*-
ls=[0,0]
try:
i=0
while i<2:
ls[i]=int(input())
i+=1
except:
sum='The data's type of inputing is error! '
finally:
print(f"{sum(ls)}")
输出
1 3 4
