pickle #腌制 pickle.dump() #保存数据 pickle.load() #恢复数据 locals() # 返回当前作用域中的变量集合 with语句会自动处理所有已打开文件的关闭工作，类似C#中的using()
>>> data=[5,78,3,45,7,1] >>> data.sort() #原地排序 >>> print (data) [1, 3, 5, 7, 45, 78] >>> data [1, 3, 5, 7, 45, 78] >>> dd=[23,56,21,89,2,34,7,1] >>> dd2=sorted(dd) #复制排序 >>> print(dd2) [1, 2, 7, 21, 23, 34, 56, 89] >>> print(dd) [23, 56, 21, 89, 2, 34, 7, 1] >>> dd [23, 56, 21, 89, 2, 34, 7, 1] >>>
>>> list=[i for i in range(1,101)]#列表推导 >>> print(list) [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86,
87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100] >>>
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