auto save

binary_search.py

-# 元组，列表，字典，
-#元组
-# a=(1,12,3,4,5,1,2,2,3,1)#有序不可更改
-# b=(12,23,34)
-# print(a[-1::-3])
-# print(len(a))
-# print(a[1])
-# a=(1)
-# b=(2,)
-# print(type(a))
-# print(type(b))
-# a=list(a)
-# a[1]=2
-# a=tuple(a)
-# print(a)
-# c=a*2
-# print(c)
-#count()  index()
-# print(a.count(1))
-# print(a.index(3))
+# # 元组，列表，字典，
+# #元组
+# # a=(1,12,3,4,5,1,2,2,3,1)#有序不可更改
+# # b=(12,23,34)
+# # print(a[-1::-3])
+# # print(len(a))
+# # print(a[1])
+# # a=(1)
+# # b=(2,)
+# # print(type(a))
+# # print(type(b))
+# # a=list(a)
+# # a[1]=2
+# # a=tuple(a)
+# # print(a)
+# # c=a*2
+# # print(c)
+# #count()  index()
+# # print(a.count(1))
+# # print(a.index(3))
 
-a=['83','ad','b5','c712','6','12','3','554']
-# a.insert(1,90) a.append(1212)
-# a.pop(索引) a.remove(元素) del clear()
-# a.clear()
-# del a 
-# print(a)
-# b=a.copy()
-# c=list(a)
-# d=a
-# print(b,c,d,a)
+# a=['83','ad','b5','c712','6','12','3','554']
+# # a.insert(1,90) a.append(1212)
+# # a.pop(索引) a.remove(元素) del clear()
+# # a.clear()
+# # del a 
+# # print(a)
+# # b=a.copy()
+# # c=list(a)
+# # d=a
+# # print(b,c,d,a)
 
-# b=['1','2']
-# # c=a+b
-# a.extend(b)
-# print(a)
+# # b=['1','2']
+# # # c=a+b
+# # a.extend(b)
+# # print(a)
 
-# count() extend() index() reverese() sort()
-# a.sort(reverse=False,key=func())#默认是false,True
-# print(a)
+# # count() extend() index() reverese() sort()
+# # a.sort(reverse=False,key=func())#默认是false,True
+# # print(a)
 
-# cars=[
-#     {'car':'bmw','year':1661},
-#     {'car':'benz','year':1990},
-#     {'car':'volvo','year':1668},
-#     {'car':'rr','year':161}
-# ]
-# def func(a):
-#     return a['year']
+# # cars=[
+# #     {'car':'bmw','year':1661},
+# #     {'car':'benz','year':1990},
+# #     {'car':'volvo','year':1668},
+# #     {'car':'rr','year':161}
+# # ]
+# # def func(a):
+# #     return a['year']
 
-# cars.sort(reverse=True,key=func)
-# print(cars)
+# # cars.sort(reverse=True,key=func)
+# # print(cars)
 
-a={'a':1,'b':2}
-b={1,2,4,2,1,2,3,1,1,1,1,1}
+# a={'a':1,'b':2}
+# b={1,2,4,2,1,2,3,1,1,1,1,1}
 
-# c={2,1,3,4}
-# if b==c:
-#     print(1)
-# for i in b:
-#     print(i)
-# for i in range(len(b)):
-#     print(b[i])
-# c=[1,2,3]
-# d=(1,2,3)
+# # c={2,1,3,4}
+# # if b==c:
+# #     print(1)
+# # for i in b:
+# #     print(i)
+# # for i in range(len(b)):
+# #     print(b[i])
+# # c=[1,2,3]
+# # d=(1,2,3)
 
-# add() updata() remove() del clear() union() 
-字典，
- 1key  1value   2  items()
\ No newline at end of file
+# # add() updata() remove() del clear() union() 
+# 字典，
+#  1key  1value   2  items()
+list=[]