#! /usr/bin/env python3

import time, sys

maxIndent = 100 #how many spaces the zigzag should move
linewidth = 5 #width of line
linechar = '*'
indent = 0
indentIncreasing = 1

try:
    while True:
        print((' '*indent)+(linechar*linewidth)) #form the string for the current line
        indent += indentIncreasing
        if indent > maxIndent or indent <= 0:
            indentIncreasing *= -1 # change direction
        time.sleep(0.01)

except KeyboardInterrupt:
    sys.exit()