Printing a text tree in python

Question

How will you print the tree in python so that it looks like this:

          /\
         /  \
        /    \
       /      \
      /        \
     /          \
    /            \
   /              \
  /                \
 /                  \

Height must be variable.

Answer 1

def tree(n):
    treeStr = ""
    for i in range(0,n):
        level = " "*(n-i) + "/" + " "*(2*i) + "\\"
        treeStr += level.center(n+1) + "\n"
    print(treeStr)

tree(10);