text: x = [0.0, 3.0, 5.0, 2.5, 3.7]
  print(type(x))
  
  x.pop(2)
  print(x)
  
  x.remove(2.5)
  print(x)
  
  x.append(1.2)
  print(x)
  
  y = x.copy()
  print(y)
  print(y.count(0.0))
  print(y.index(3.7))
  
  y.sort()
  print(y)
  y.reverse()
  print(y)
  y.clear()
  print(y)