Daily programming challenge #4 ASCII-ART

Difficulty: easy

Code a programm, which generates a Christmas tree as ASCII-Art.

EXAMPLE:

---

                               x
                              xxx
                             xxxxx
                            xxxxxxx
                           xxxxxxxxx
                          xxxxxxxxxxx
                         xxxxxxxxxxxxx
                              HH

---

NO ARRAYS ALLOWED!

Instead, use a while or for loop.

Extensions:
EXTENSION1:
Generate little Christmas tree balls. For this, use the Character "O". This should happen based on a set probability.

EXTENSION2:

Ask the user to input the probability of EXTENSION1.

EXTENSION3:

Make the tree move. For this, flush the Shell (on Linux Terminal) and regenerate another tree.