## Define a function overlapping () that takes two lists and returns true if they have at least one member in common, False otherwise.

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Answer:
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def
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overlapping
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(l1,l2):
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len1=len(l1)
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len2=len(l2)
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for i in range(len1):
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for j in range(len2):
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if l1[i]==l2[j]:
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return True
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return False
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