零基础学python错误error处理详解

python3.6

pycharm

try:    print(1111)    1 / 0    print(222)except NameError as error:   # except跟错误类型（系统自带）    print(333, error, type(error))  # 然后自己写的处理代码except ZeroDivisionError as error:    print(444, error, type(error))except TypeError as error:    print(555, error, type(error))except BaseException as error:    print(666, error, type(error))

print('********分割符**********')try:    print(111)    a    print(222)except NameError as error:    print(error)else:  # 如果try内部的代码没有异常抛出，else里的代码会正常执行。    print(333)finally:  # 内部代码一定会执行，但是不影响是否崩溃    print(444)

print('**********可以混合判断*********')try:    print(111)    '1' + 1    print(222)except (NameError, ZeroDivisionError, TypeError) as e:    print(333, e, type(e))except BaseException as e:    print(444, e)

def fn3(n):    return fn2(n)try:    print(111)    print(fn3(0))    print(222)except BaseException as e:    print(e)

print('***********断言************')def good(n):    assert n  # 如果表达式的值为真，代码继续运行。否则，直接抛出一个AssertionError    return 1/ntry:    print(good(5))except AssertionError as e:    print(e, type(e))

print('********断言升级版*********')def dog(n):    if not n:        raise TypeError('我爱中国')    return 1 / ndef make():    try:        print(dog(0))    except TypeError as e:        print(e, type(e), 111)        raise etry:    make()except BaseException as e:    print(e, type(e), 222)print('**end**')