#自定义异常类class MyException(Exception):    passdef exextp_01():    try:        #come code here        list = ['java','python','php']        raise MyException  #通过异常名字抓取自定义异常     except:        print 'no thie is variabe'        print 'MyException encoutered!'exextp_01()def except_test():    for i in range(1,100):        try:            print  "Number %s"%i            time.sleep(0.2)        except KeyboardInterrupt:            print 'Please do not interupt me ,I am doing the important tash here!'            continue===================try    finally 学习def exception_03():    try:       raise MyExepion,"and some addition add is not exception"    except MyExepion,data:        print "MyException encoutered!"        print dataexception_03()def exception_02():    try:        raise MyExepion    except MyExepion:        print "MyException encoutered"    finally:        print "Arrive finally"def exeption_01():    try:        print "normal code here" \              ", this is here"    except MyExepion:        print "MyEception encoutered"    else:        #No exceptions will execute the else        print "No exception"  #You can test your module#exeption_01()