python基础课程到底要学什么，一直不能很好的确定，那么我在这里针对python基础知识的几个阶段，做一个总结，新手朋友们，可以根据这个来进行学习，第一阶段知识---基础语法
（1） python的数据结构的认识：
python所有数据结构的认识
字符串的使用以及字符串的相关方法 列表的使用以及列表的相关方法
字典的使用以及字典的相关方法
元组的使用以及远足的相关方法
（2）逻辑判断的使用
if else
if elif else
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