L2 = [s.lower() for s in L1 if isinstance(s , str)]
L2 = [s.lower() if isinstance(s , str) else s for s in L1]
Sign in to make a reply
用户5738776098
L2 = [s.lower() for s in L1 if isinstance(s , str)]
L2 = [s.lower() if isinstance(s , str) else s for s in L1]