Startpy
basic
Introduction
Grammar
String Format vs %
string operation
List & Dic & Tuple
字典排序
list 排序:sorted(a) and a.sort()
list 增减操作
Python list 替换项,dict替换key
Tuple操作
Math
function(argument) vs method
File
json
csv
Timeit
week1
week3
oop/ numpy / pandas
recursion
oop
debug
lambda
min
numpy
create array
array操作
concate array contains different datatype
reverse
partial sort array
Comparing Elements in Two Arrays:比大小和有没有
type / change type
slice/index指哪儿打哪儿
file
loadtxt
read CSV: genfromtxt()
numpy 奇异函数
pandas
sort/rank/sort_index
List comprehensions
closure
dataframe类似spl连接
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