CommonElements
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array1 = [1,2,3,4]
array2 = [5,6,3,8]
def common_elements(inp1,inp2):
lookup_set = set(inp1)
common_array = []
for i in inp2:
if i in lookup_set:
common_array.append(i)
return common_array
print(common_elements(array1,array2))
Python
INFO