异常就是程序运行时发生错误的信号
IndexError [][1]
KeyError {}['key']
pickle.load() EOFError
FileNotFoundError open('aa')
ModuleNotFoundError import aaaaaaaaaaa
ValueError int('sdjkhf')
异常就是程序运行时发生错误的信号
IndexError [][1]
KeyError {}['key']
pickle.load() EOFError
FileNotFoundError open('aa')
ModuleNotFoundError import aaaaaaaaaaa
ValueError int('sdjkhf')