异常捕获语法

try:
  <语句>
except <名字>:
<语句>

抛出异常

raise Exception

异常表

捕获多分异常

def mult_exception(x,y):
    try:
        a = x/y
        b = name
    except ZeroDivisionError:
        print('this is ZeroDivisionError')
    except NameError:
        print('this is NameError')

mult_exception(2,0)

统一捕获异常

def model_exception(x,y):
    try:
        a = x/y
        b = name
    except (ZeroDivisionError, NameError, TypeError) as e:
        print(e)

model_exception(2,'')

finally

def use_finally(x,y):
    try:
        a = x/y
    finally:
        print('No matter what happened,I will show in front of you')

use_finally(2,0)