"""
 maze.py

 Advent of Code 2017 Day 19
 in class Sep 28

"""

#1234567890
# The first | in row 0 is at index 5
testcase = """
     |          
     |  +--+    
     A  |  C    
 F---|----E|--+ 
     |  |  |  D 
     +B-+  +--+
"""

# --- thinking about coordinates ---
# matrix = [ [1, 2, 3],
#            [4, 5, 6],
#            [7, 8, 9]]
# 
#                     row  col
# print("6 is ", matrix[1]  [2])

def text_to_grid(text):
    """ given a string, return a list of strings """
    return text.strip('\n').split('\n')

assert text_to_grid(testcase)[0].index('|') == 5