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      >>> list_one
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      >>> list_two
      [1, 10, 55, 20, 6]
      >>> list_thr = [10, 'word', True, [6, 1]]  # ÁбíÖÐÔªËØµÄÀàÐͲ»Í¬
      >>> list_thr
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      [1, 3, 5, 7, 9]

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      ...
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      t
      h
      o
      n

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      >>> nums[0] = 55          # ½«ÁбíÖеĵÚ0ÏîÐÞ¸ÄΪ55
      >>> nums
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      >>> nums[0:2] = [0, 1]    # ½«ÁбíÖеĵÚ0ÏîÐÞ¸ÄΪ0£¬µÚ1ÏîÐÞ¸ÄΪ1
      >>> nums
      [0, 1, 33]
      >>> list1 = [5, 6]
      >>> nums += list1         # numsÁбíÌí¼Ólist1ÁбíµÄÔªËØ
      >>> nums
      [0, 1, 33, 5, 6]

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      >>> nums
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      >>> nums[0:2] = [10, 5, 0] # nums[0:2]µÄ³¤¶È±È[10, 5, 0]С
      >>> nums
      [10, 5, 0, 7]

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