Draw binary tree in plain text

Draw tree from level order traversal, '#' signifies a path terminator where no node exists below.

from drawtree import draw_level_order
draw_level_order('{3,9,20,#,#,15,7}')

3

/

9 20

/

15 7

Draw random binary search tree

from drawtree import draw_random_bst
draw_random_bst(10)

64
/ \

/

4 66

37 70 /

8 51

/

6 12

21

Draw binary search tree from integer array

from drawtree import draw_bst
nums = [55, 30, 10, 5, 2, 20, 15, 25, 40, 35, 70, 60, 80, 75, 95]
draw_bst(nums)

55
/ \

/

/

/

30 70

/ /

/ /

/ 60 80

10 40 /

/ / /

/ 35 75 95

5 20

/ /

2 / 15 25

To install drawtree, simply:

$ pip install drawtree

MIT

Draw tree

drawtree was written by Madhusudan Banik.