def test():

   valid = False # Is the number valid

   while not valid:
      try:
         myNum = input('Give me a number :')
         x = 10 / myNum
      except NameError, moreDetails:
         print 'There was an error, you did not enter a number!'
         print moreDetails
      except ZeroDivisionError, moreDetails:
         print "You entered zero, so we'll return zero"
         print moreDetails
         x = 0
         valid = True
      
   print '10 divided by your number is:', x
   valid = True

test()