text: # You can check what type of data a variable is easily:
  myNum = "3"
  print(myNum, type(myNum))
  
  # You can change one data type into another with 'casting' 
  
  # to integer
  myNum = int(myNum)
  print(myNum, type(myNum))
  
  # to float
  myNum = float(myNum)
  print(myNum, type(myNum))
  
  # to string
  myNum = str(myNum)
  print(myNum, type(myNum))
  
  # You will get an error if you try to cast something that 
  # can't be cast. int("hello"), for example
  