gistfile1.txt

#!/usr/bin/env python

modules = {
  'sys': 'sys',
  'os':  'os',
  'time': 'time',
  'foo': 'foo',
  'bar': 'bar'
}

for module in modules:
  try:
    modules[module] = __import__(module)
  except ImportError as e:
    print "Hey dude! {0}".format(e.message)
    
print modules['sys'].byteorder
print modules['os'].name
print modules['time'].time()