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Ada Barries - C17 Otters #102

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Ada Barries - C17 Otters #102

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15 changes: 14 additions & 1 deletion linked_lists/intersection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,4 +11,17 @@ def intersection_node(headA, headB):
""" Will return the node at which the two lists intersect.
If the two linked lists have no intersection at all, return None.
"""
pass
current_A = headA
current_B = headB

while current_A:
while current_B:
if current_A == current_B:
return current_A
else:
current_B = current_B.next
current_A = current_A.next
current_B = headB


return None