WebIt is useful for code that must be executed if the try clause does not raise an exception. For example: for arg in sys.argv [1:]: try: f = open (arg, 'r') except IOError: print 'cannot open', arg else: print arg, 'has', len (f.readlines ()), 'lines' f.close () Share Improve this answer Follow answered Dec 9, 2013 at 19:38 Pablo V. 324 2 15 WebThe try statement allows you to define a block of code to be tested for errors while it is being executed. The catch statement allows you to define a block of code to be executed, if an error occurs in the try block. The try and catch keywords come in pairs: Syntax Get your own Java Server
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