python第三十课－－异常(异常对象传递过程)

def func1():
    print('func1...')
    print(10/0)

def func2():
    print('func2...')
    try:
        func1()
    except Exception as e:
        print(e)

def func3():
    print('func3...')
    func2()

try:
    func3()
except Exception as e:
    print(e)

print('我能执行吗？')

zs=0
fs=0
ling=0

while 1:
    try:
        num=int(input('请输入一个整数：'))
    except:
        break

    if num>0:
        zs+=1
    elif num<0:
        fs+=1
    else:
        ling+=1
print('正数的个数为：{}'.format(zs))
print('负数的个数为：{}'.format(fs))
print('零的个数为：{}'.format(ling))