python catch exception and print message

http://blog.csdn.net/pipisorry/article/details/21841883AssertionAn assertion is a sentence that must be equivalent to a Boolean truth; In addition, the occurrence of an exception means that the expression is false. These work similar to the Assert

Except: #捕获所有异常Except: except:except:,except::Common exception Names:Exception Name DescriptionAttributeerror the exception that is thrown by calling a method that does not existEoferror encountered exception thrown at end of fileImporterror

Exception Handling (3) I. Exception BasicsTry/retry T: capture and recover exceptions in the code, match errors in wait t, and manually commit the code defined in T, and then continue to execute the program (when an exception occurs, after

Python provides two very important features to handle the exceptions and errors that Python programs run in. You can use this feature to debug a python program. 1. Exception handling: This site Python tutorial will be described in detail.2.

The article references the tutorial: Http://www.runoob.com/python/python-basic-syntax.html#commentform Python Exception HandlingPython provides two very important features to handle the exceptions and errors that Python programs run in. You

Error differs from exception: error Syntax error: Code does not conform to interpreter or compile syntax. can be modified prior to execution Logic error: Incomplete or illegal input or calculation problems. Cannot be modified at

Python provides two very important features to handle the exceptions and errors that Python programs run in. You can use this feature to debug a python program. Exception handling: This site Python tutorial will be described in detail. Assertion

Python Exception HandlingPython provides two very important features to handle the exceptions and errors that Python programs run in. You can use this feature to debug a python program. Exception handling Assertion (assertions)

Python provides two very important features to handle the exceptions and errors that appear in the running of Python programs. You can use this feature to debug a python program. 1. Exception handling: This site Python tutorial will be specifically

Mistakes happen almost every day in a programmer's life. In the past period, errors were either fatal to the program (and possibly the machine), or they produced a whole bunch of meaningless output that could not be identified by other computers or