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20 lines
253 B
20 lines
253 B
4 years ago
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a:str = "no"
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b:str = "o"
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c:str = ""
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d:str = ""
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e:str = ""
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def cat2(a:str, b:str) -> str:
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return a + b
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def cat3(a:str, b:str, c:str) -> str:
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return a + b + c
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c = cat2(b, a)
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d = cat2(a, a)
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e = cat3(a, b, cat2(b, b))
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print(c)
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print(d)
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print(e)
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