I don’t understand what I should do now… My intuition tells me that I should store the value of the joined item somewhere, but the problem doesn’t say where. Also, what does it mean that I should turn each item into a string after joining them into one line?
Your code so far
class Board:
def __init__(self, board):
self.board = board
def __str__(self):
upper_lines = f'\n╔═══{"╤═══"*2}{"╦═══"}{"╤═══"*2}{"╦═══"}{"╤═══"*2}╗\n'
middle_lines = f'╟───{"┼───"*2}{"╫───"}{"┼───"*2}{"╫───"}{"┼───"*2}╢\n'
lower_lines = f'╚═══{"╧═══"*2}{"╩═══"}{"╧═══"*2}{"╩═══"}{"╧═══"*2}╝\n'
board_string = upper_lines
for index, line in enumerate(self.board):
row_list = []
/* User Editable Region */
for square_no, part in enumerate([line[:3], line[3:6], line[6:]], start=1):
for item in part:
'|'.join(item)
/* User Editable Region */
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Challenge Information:
Learn Classes and Objects by Building a Sudoku Solver - Step 14
You’re now using a normal for loop, but this is kind of a throw back to the List Comprehensions we learned earlier.
So instead of a normal for loop, keep the '|'.join() but add the rest of the question inside. So you need to turn item in to a string, then loop using the loop they mentioned for item in part. I found this also very challanging so let me know how far you got and I’ll help you further if you didn’t get it after this.
You helped me see an error in my code, but I still haven’t found the solution. I thought that, instead of iterating into part list, using [str(item) for item in part] would work, because it worked on my localhost, but it’s not working on the project.
Could you help me find out where am I going wrong?
class Board:
def __init__(self, board):
self.board = board
def __str__(self):
upper_lines = f'\n╔═══{"╤═══"*2}{"╦═══"}{"╤═══"*2}{"╦═══"}{"╤═══"*2}╗\n'
middle_lines = f'╟───{"┼───"*2}{"╫───"}{"┼───"*2}{"╫───"}{"┼───"*2}╢\n'
lower_lines = f'╚═══{"╧═══"*2}{"╩═══"}{"╧═══"*2}{"╩═══"}{"╧═══"*2}╝\n'
board_string = upper_lines
for index, line in enumerate(self.board):
row_list = []
# Actual Problem
for square_no, part in enumerate([line[:3], line[3:6], line[6:]], start=1):
'|'.join([ str(item) for item in part ])
# Problem End
Oh, wait… I didn’t know that it was possible… I thought that creating a new list was needed to use the List Comprehension method. But ok, you got it, it works!
