def trim(s): if len(s)==0: return '' m=0 for i in s: if i=='': m=m+1 else: break n=-1 while s[n]=='': n=n-1 s=s[0:n] else: ss=s[m:n] return ss
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红莲爆雷刃
def trim(s): if len(s)==0: return '' m=0 for i in s: if i=='': m=m+1 else: break n=-1 while s[n]=='': n=n-1 s=s[0:n] else: ss=s[m:n] return ss