#异常是由错误引发的
# try:
#     a = input('>>>')
#     int(a)
#     c=[]
#     c[1000]
# except KeyError as e:
#     print(e)
# except ValueError as e:
#     print('>>>>',e)
# except IndexError as e:
#      print('<<<',e)
# except Exception as e:
#     print('>><<',e)


3322f37c00743b19dcd205fecdee4185778b9c84
#异常是由错误引发的
# try:
#     a = input('>>>')
#     int(a)
#     c=[]
#     c[1000]
# except KeyError as e:
#     print(e)
# except ValueError as e:
#     print('>>>>',e)
# except IndexError as e:
#      print('<<<',e)
# except Exception as e:
#     print('>><<',e)

