code: import pandas
  
  def enlarge(n):
      return n * 100
  
  print("HELLO WORLD")
  
  df = pandas.DataFrame({"state": ["CT", "CO", "CA", "TX"]})
  print(df.head())
  
  print("-----------------")
  x = 5
  print("NUMBER", x)
  print("ENLARGED NUMBER", enlarge(x)) # invoking our function!!
apis: pandas.DataFrame