判断salary是不是数字,假如是数字就正常执行,不是数字就打印must input digit的提示,
salary=input("salary:")
if salary.isdigit(): salary = int(salary) else: print("must input digit")
输出结果:
salary:80
salary:sds
Traceback (most recent call last):
File "F:/python/week1/day5/test.py", line 1, in <module>
'''%(name,name,age,job,salary,int(65-age),int(salary))
ValueError: invalid literal for int() with base 10: 'sds