Oops, try again. It looks like your board has 5 references to the same row! This will cause problems later on. Read the hint for more information and use a for loop to complete this lesson
I expect the code to run with out errors
What is the reference error and waht problems would be caused later?
Replace this line with your code. board =  row = ['O']*5 for i in range(5): i = row print i board.append(i) print board