#!/usr/bin/python3 # Python exception handling. # Choose two random integers. import random i = random.randrange(0, 8) j = random.randrange(-1, 6) print(i, j) # Get a nice little array, then try a bunch of dangerous stuff. some = [3, 10, 0, 8, 18]; try: # We try to execute this block. den = some[j] / i print("A:", den) frac = (i + j) / den print("B:", frac) if frac < 2: k = 3 else: k = 'mike' print("C:", k) print("D:", some[k]) # This is the catch block. except ZeroDivisionError: print("\nDivision by zero.") except TypeError as terr: # The detail provides extra information about the exception. print("\nSome type mismatch:", terr) except IndexError as ndxerr: print("\nSome value is out of range:", ndxerr) except: # Except without an exception name catches any exception. print("\nSomething else went wrong.") # An else attached to an except block is run if no exception occurrs. else: print("\nThat's odd, nothing went wrong.")