We want to create data types and functions, or we're going to call them methods, that are specifically aimed at manipulating those kinds of objects.
它们是特定的,用来操作那些对象的,我们的目标基本上来说,就是会去看看怎么去构建,能利用这种模块话。
It happens to be better suited for manipulating strings than numbers, for example, but it's really a general-purpose language.
例如它恰好,处理字符串,比处理数字更有效率,但是它确实是一种面向面很广的语言。
When we get to the spell checking, the dictionary assignment, when you're actually manipulating text files, maybe writing some output, these lower level details that actually empower you to solve problems properly.
当你检查拼写时,字典查询,当你熟练运用这些文本文件时,可能是写一些输出文本,这些小细节,恐怕可以帮助你合理解决问题。
And do a little practice in manipulating these differentials.
以及掌握,如何使用它们。
Secondly, as we go to the more advanced part of the course, we'll take a result from this part of the blackboard, stick it into the second part and keep manipulating, so if I screwed up in the beginning and you guys keep quiet, we'll have to do the whole thing again.
其次,随着我们课程的深入,我们需要把黑板这边的计算结果,抄到黑板的那边,不停地这么做,如果我一开始就写错了,而你们又不出声,我们就得全部重新来过
If somewhere later on in the code it shifts to string, I might not be manipulating that and getting actual values out, but not what I wanted, and it's going to be really hard for me to chase it back.
然后后面的一些代码,把变量类型变为了字符串,我可能不会通过实际操作,去取得实际的变量的类型,但是这并不是我想要的类型,而且对我来说把类型,变回去也很困难。
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