原文吃光光
A = [1, 2, 3, 4]
B = [5, 6, 7, 8]
C = [1, 3, 4, 5, 7]
for c in C:
try:
print(B[A.index(c)])
except:
pass
Result:
5
7
8
如果是我的話我會這樣寫~

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index time complexity is O(n) ...