http://www.cnblogs.com/dillon-china/p/9252839.html https://www.cnblogs.com/scios/p/8108243.html https://www.cnblogs.com/hyper-xl/p/6502774.html http://www.runoob.com/python/att-dictionary-items.html http://www.runoob.com/python/att-dictionary-get.html http://www.runoob.com/python3/python3-string-join.html https://www.luffycity.com/python-book/di-4-zhang-python-ji-chu-2014-chang-yong-mo-kuai/json-and-pickle-mo-kuai.html( luffy-python luffy-book) https://www.cnblogs.com/ybjourney/p/4767726.html http://www.cnblogs.com/wupeiqi/articles/4963027.html
lamad表达式:https://blog.csdn.net/zjuxsl/article/details/79437563
https://www.cnblogs.com/hf8051/p/8085424.html
map详细用法:
https://www.cnblogs.com/superxuezhazha/p/5714970.html
https://blog.csdn.net/u013944212/article/details/55095687
filter用法:
http://www.runoob.com/python/python-func-filter.html
https://www.cnblogs.com/Lambda721/p/6128424.html
sorted用法:
http://www.runoob.com/python/python-func-sorted.html
https://www.cnblogs.com/yushuo1990/p/5880041.html