Python 数组是什么？
数组是什么？
数组是一种特殊的变量，它可以一次存储多个值。
如果你有一系列项目（例如一系列汽车名称），将这些汽车存储在单个变量中可能看起来像这样
car1 = "Ford"
car2 = "Volvo"
car3 = "BMW"
但是，如果你想遍历这些汽车并找到一个特定的汽车怎么办？如果你不是 3 辆车，而是 300 辆怎么办？
解决方案是数组！
数组可以在单个名称下保存多个值，你可以通过引用索引号来访问这些值。
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