7 lines
178 B
Python
7 lines
178 B
Python
n = int(input())
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for _ in range(n):
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a = input().strip()
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b = input().strip()
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d = ["*" if x != y else "." for x, y in zip(a, b)]
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print(f'{a}\n{b}\n{"".join(d)}\n')
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