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- file = open('input.txt','r')
- instructions = file.readlines()
- temp = []
- executed = []
- accu = 0
- def execute(line):
- global accu
- global executed
- if line == len(temp):
- print('finished '+temp[line-1].replace('\n',''))
- return True
- if line > len(temp) - 1 or line < 0:
- return False
- command = temp[line].replace('\n','')
- cmd = command.split(' ')
- if line in executed:
- return False
- executed.append(line)
- if cmd[0] == 'acc':
- accu += int(cmd[1])
- return execute(line + 1)
- if cmd[0] == 'nop':
- return execute(line + 1)
- if cmd[0] == 'jmp':
- return execute(line + int(cmd[1]))
- for j,i in enumerate(instructions):
- if i.split(' ')[0] == 'acc':
- continue
- if i.split(' ')[0] == 'nop':
- temp = instructions.copy()
- temp[j] = i.replace('nop','jmp')
- if i.split(' ')[0] == 'jmp':
- temp = instructions.copy()
- temp[j] = i.replace('jmp','nop')
- accu = 0
- executed = []
- if execute(0):
- print('swap '+str(j)+': '+ i +' and get accu of '+str(accu))
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