L1 = ['Hello', 'World', 18, 'Apple', None] L2 = [s.lower() for s in L1 if isinstance(s, str) == True] for i in L2: print(i)
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Afternoon Tea
L1 = ['Hello', 'World', 18, 'Apple', None]
L2 = [s.lower() for s in L1 if isinstance(s, str) == True]
for i in L2:
print(i)