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import os | |
filename = 'homework.txt' | |
if not os.path.exists(filename): | |
with open(filename, 'w'): pass | |
answer1 = """1). | |
X | 3 | X | |
____|____|____ | |
9 | X | 1 | |
____|____|____ | |
2 | 7 | X | |
| | """ | |
answer2 = """2). | |
4 | 9 | X | |
____|____|____ | |
X | X | X | |
____|____|____ | |
8 | 1 | 6 | |
| | """ | |
answer3 = """3). | |
8 | X | 6 | |
____|____|____ | |
X | 5 | X | |
____|____|____ | |
X | 9 | 2 | |
| | """ | |
answer4 = """4). | |
X | X | 4 | |
____|____|____ | |
7 | 5 | 3 | |
____|____|____ | |
X | 1 | X | |
| | """ | |
answer5 = """5). | |
2 | 7 | X | |
____|____|____ | |
9 | 5 | X | |
____|____|____ | |
X | X | 8 | |
| | """ | |
answer6 = """6). | |
X | X | 2 | |
____|____|____ | |
1 | X | X | |
____|____|____ | |
8 | 3 | 4 | |
| | """ | |
answer7 = """7). | |
6 | 7 | X | |
____|____|____ | |
X | 5 | X | |
____|____|____ | |
X | 3 | 4 | |
| | """ | |
answer8 = """8). | |
x | x | 6 | |
____|____|____ | |
x | x | 7 | |
____|____|____ | |
x | 9 | 2 | |
| | """ | |
answers = [answer1, answer2, answer3, answer4, answer5, answer6, answer7] | |
numbers = [['4','8','5','6'], | |
['2','3','5','7'], | |
['1','3','7','4'], | |
['2','9','6','8'], | |
['6','1','4','3'], | |
['6','7','5','9'], | |
['2','1','9','8']] | |
def substitute(problems, numbers): | |
"""since str.replace() replaces all instances | |
at once, I had to resort to some manipulation to replace each X.""" | |
k = 0 | |
final_answers = [] | |
for i in range(len(problems)): | |
problem = problems[i] | |
for j in range(len(problem)): | |
if problem[j] == 'X': | |
problem = list(problem) | |
problem[j] = numbers[i][k] | |
problem = ''.join(problem) | |
k += 1 | |
if k == 4: | |
k = 0 | |
final_answers.append(problem) | |
return final_answers | |
def write_to_file(infile): | |
with open(infile, 'w') as f: | |
f.write('MAGIC SQUARES\n\n') | |
for answer in substitute(answers,numbers): | |
f.write(answer + '\n\n') | |
f.write(answer8) | |
if __name__ == '__main__': | |
write_to_file(filename) |
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