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摘要： 推荐一个学习语言的网站：http://www.codecademy.com有教程，可以边学边写，蛮不错的。for循环：1.for loops allow us to iterate through all of the elements in a list from the left-most (or zeroth element) to the right-most element. A sample loop would be structured as following:使用for循环可以遍历一个列表，从最左到最右：a = ["List of some sort”]for x 阅读全文