37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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def parse_line(line, identifiers):
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elements = line.split()
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length = len(elements)
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match length:
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case 3: # Assignment
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return int(elements[0]), elements[2].strip()
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case 4: # NOT
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return ~identifiers[elements[1]], elements[3].strip()
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case 5: # AND OR LSHIFT RSHIFT
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match elements[1]:
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case 'AND':
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return identifiers[elements[0]] & identifiers[elements[2]], elements[4].strip()
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case 'OR':
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return identifiers[elements[0]] | identifiers[elements[2]], elements[4].strip()
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case 'LSHIFT':
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return identifiers[elements[0]] << int(elements[2]), elements[4].strip()
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case 'RSHIFT':
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return identifiers[elements[0]] >> int(elements[2]), elements[4].strip()
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def main():
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with open('day7.sample', 'r') as file:
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lines = file.readlines()
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identifiers = {}
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for line in lines:
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value, identifier = parse_line(line, identifiers)
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identifiers[identifier] = value
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print(identifiers)
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if __name__ == '__main__':
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main()
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