L = [] n=1 while n <= 99: L.append(n) n=n+2 print(L) # 取L前一半的值(按原列表顺序) R = [] i=0 while i < len(L) / 2 : R.append(L[i]) i=i+1 print (R) print (len (L)) print (len (R)) # 取L后一半的值(按原列表顺序) T = [] i=-1 while i >= - (len(L) / 2) : T.append(L[i]) i=i-1 T.reverse() print (T) print (len (L)) print (len (T))
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北极小白熊2