python1_代码，python1-优快云博客

本文展示了在Python环境中遇到的一些典型错误和异常处理情况，包括语法错误、除以零错误以及未定义变量的错误。用户尝试运行一个简单的除法运算程序，并在不同输入情况下触发了错误，如输入非法、除数为零等，这些错误被程序捕获并显示了相应的错误信息。通过这些例子，可以理解Python中的错误处理机制和调试技巧。

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1 Python 3.6.1rc1 (v3.6.1rc1^0:e0fbe5feee4f9c00f09eb9659c2182183036261a, Mar 4 2017, 20:00:12) [MSC v.1900 64bit (AMD64)] on win322 Type "copyright", "credits" or "license()" formore information.3 >>>

4 = RESTART: C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py =

5 please enter two number1 3

6 syntax iswrong7 i don't know

8 >>>main()9 please enter two number1,2

10 ok the result is 0.5

11 i don't know

12 >>>main()13 please enter two number14 syntax iswrong15 i don't know

16 >>>main()17 please enter two number1,018 i don't know

19 Traceback (most recent call last):20 File "C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py", line 4, inmain21 result=number1/number222 ZeroDivisionError: division by zero23

24 During handling of the above exception, another exception occurred:25

26 Traceback (most recent call last):27 File "", line 1, in

28 main()29 File "C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py", line 6, inmain30 print("the division is 0",result)31 UnboundLocalError: local variable 'result'referenced before assignment32 >>>main()33 please enter two number1.1,0.0

34 i don't know

35 Traceback (most recent call last):36 File "C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py", line 4, inmain37 result=number1/number238 ZeroDivisionError: float division by zero39

40 During handling of the above exception, another exception occurred:41

42 Traceback (most recent call last):43 File "", line 1, in

44 main()45 File "C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py", line 6, inmain46 print("the division is 0",result)47 UnboundLocalError: local variable 'result'referenced before assignment48 >>>

49 = RESTART: C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py =

50 please enter two number51 1,1

52 ok the result is 1.0

53 i don't know

54 >>>python2.py55 Traceback (most recent call last):56 File "", line 1, in

57 python2.py58 NameError: name 'python2' is notdefined59 >>>pytho2.py60 Traceback (most recent call last):61 File "", line 1, in

62 pytho2.py63 NameError: name 'pytho2' is notdefined64 >>>main65

66 >>>main()67 please enter two number68 1.1,0.0

69 i don't know

70 Traceback (most recent call last):71 File "C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py", line 4, inmain72 result=number1/number273 ZeroDivisionError: float division by zero74

75 During handling of the above exception, another exception occurred:76

77 Traceback (most recent call last):78 File "", line 1, in

79 main()80 File "C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py", line 6, inmain81 print("the division is 0")82 UnboundLocalError: local variable 'result'referenced before assignment83 >>>

84 = RESTART: C:/Users/lenovo/AppData/Local/Programs/Python/Python36/pytho2.py =

85 please enter two number86 1,087 the division is088 i don't know

89 >>>