text: #!/usr/bin/env python3
  
  mytext = "Hello world"
  
  
  def changeText(sometext):
     sometext = "Hallo Welt!"
     return sometext
  
  
  print( changeText(mytext) )
  print(mytext)
  
  
  mydict = { "dog":"Hund", "cat":"Katze" }
  
  def changeDict(somedict):
     somedict["mouse"] = "Maus"
  
  changeDict(mydict)
  
  print(mydict)
  