10 lines
280 B
Python
10 lines
280 B
Python
with open('data.txt', 'r', encoding='utf-8') as file:
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lines = file.readlines()
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upper_lines = [line.upper() for line in lines]
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with open('output.txt', 'w', encoding='utf-8') as file:
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file.writelines(upper_lines)
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print("Файл output.txt успешно создан.")
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