# Author:  James Tam
# Version: May 28, 2020

# args(none)
# Creates a 2D list with num rows = 1st argument, num columns = 2nd argument
# return (reference to the list, integer,integer)
def createList():
    #Declare variables for function
    aList = []
    numRows = -1
    numColumns = -1

    aList = [
      [" "," ", " "],
      ["*"," ", "*"],
      [" ","|", " "],
      [" "," ", ""],
      ["*","*", "*"]
      ]
    numRows = len(aList)
    numColumns = len(aList[0])
    return(aList,numRows,numColumns)


# args(reference to a list,integer,integer)
# displays each element of list with a row on it's own line
# return(nothing)
def display(aList,numRows,numColumns):
    #Declare variables for function
    r = -1
    c = -1

    r = 0
    # Each iteration of the outter loop accesses another row
    while (r < numRows):
        c = 0
        # Each iteration of the inner loop accesses another element along that row
        while (c < numColumns):
            #Display each element along a row on the same line
            print("%s" %(aList[r][c]),end="")
            c = c + 1
        print("<EOL>")  #After each row printed add a new line (EOL)
        r = r + 1



#Starting execution point for the program
def start():
    #Declare variables local to start
    aList = []
    numRows = -1
    numColumns = -1

    aList,numRows,numColumns = createList()
    display(aList,numRows,numColumns)

start()