Python入門的36個例子 之 35 -> try – 一個使用的例子

原始碼下載：在這裡

 

# 039<br />while True:<br /> try:<br /> x = int(raw_input('Input a number:'))<br /> y = int(raw_input('Input a number:'))<br /> z = x / y<br /> except ValueError, ev:<br /> print 'That is not a valid number.', ev<br /> except ZeroDivisionError, ez:<br /> print 'Divisor is zero:', ez<br /> except:<br /> print 'Unexpected error.'<br /> raise<br /> else:<br /> print 'There is no error.'<br /> break<br /> # end of try<br /># end of while<br />print x,'/',y,'=',x/y

 

output：

 

Input a number:w
That is not a valid number. invalid literal for int() with base 10: 'w'
Input a number:9
Input a number:0
Divisor is zero: integer division or modulo by zero
Input a number:9
Input a number:3
There is no error.
9 / 3 = 3