the program loads the data for the maze' walls from text file and into dictionary stored in the maze variable this dictionary has (xytuples for keys and the string in the wallemptystartor exit constants for values project "maze runner ,uses similar dictionary representation of the maze the difference between the projects is in the code that renders that maze on the screen since maze runner is simpleri recommend becoming familiar with this program first before moving on to maze runner """maze runner dby al sweigart al@inventwithpython com move around maze and try to escape maze files are generated by mazemakerrec py view this code at tagslargegamemaze"" import sysos maze file constants wall '# empty start ' exit ' player '@(!try changing this to '+or ' block chr( character is '# def displaymaze(maze) display the maze for in range(height) for in range(width) if (xy=(playerxplayery) print(playerend='' elif (xy=(exitxexity) print(' 'end='' elif maze[(xy)=wall print(blockend='' else print(maze[(xy)]end='' print(print newline after printing the row print('''maze runner dby al sweigart al@inventwithpython com (maze files are generated by mazemakerrec py)''' get the maze file' filename from the user while true print('enter the filename of the maze (or list or quit):' filename input('' list all the maze files in the current foldermaze runner