列表
1 #列表语法 2 name = ["xiaozhang","xiaohan","xiaoqu",22,33,444,666,111,"QQ","微信","xiaoma"] 3 name2 = ["uiqq","quxie","tiqi"] 4 #增： 5 name.append("ty")#追加到最后一行 6 name.insert(3,"tu")#插入，前面写所插入的下标，后面写所插入的字符串 7 8 #删 9 del name["xiaozhang"]#删除指定 10 del name #删除整个列表 11 name.remove("xiaohan")#删除指定 12 name.pop()#默认删除最后一个 13 14 #改 15 name[1] = "sana"#更改值 16 17 #查 18 name[1]#取第一个值 19 name[1:4]#取第一个到第三个值 20 name[1:5:2]#取第一个跟第4个值每隔一个取一个 21 name.index()#查找并返回下标 22 len(name)#查看长度 23 24 #其他： 25 name.count()#计数 26 name.extend(name2)#扩展，如果有重复值不会代替。 27 name.reverse()#反转 28 29 for i in range(name.count(33)): 30 ele_index = name.index(33) 31 name[ele_index] =999 32 33 class list(object):#列表的属性 34 """ 35 list() -> new empty list 36 list(iterable) -> new list initialized from iterable's items 37 """ 38 def append(self, p_object): # real signature unknown; restored from __doc__#追加到最后面 39 """ L.append(object) -> None -- append object to end """ 40 pass 41 42 def clear(self): # real signature unknown; restored from __doc__#清除 43 """ L.clear() -> None -- remove all items from L """ 44 pass 45 46 def copy(self): # real signature unknown; restored from __doc__#复制 47 """ L.copy() -> list -- a shallow copy of L """ 48 return [] 49 50 def count(self, value): # real signature unknown; restored from __doc__#计数 51 """ L.count(value) -> integer -- return number of occurrences of value """ 52 return 0 53 54 def extend(self, iterable): # real signature unknown; restored from __doc__ 55 """ L.extend(iterable) -> None -- extend list by appending elements from the iterable """#扩展 56 pass 57 58 def index(self, value, start=None, stop=None): # real signature unknown; restored from __doc__#获取下标 59 """ 60 L.index(value, [start, [stop]]) -> integer -- return first index of value. 61 Raises ValueError if the value is not present. 62 """ 63 return 0 64 65 def insert(self, index, p_object): # real signature unknown; restored from __doc__#插入 66 """ L.insert(index, object) -- insert object before index """ 67 pass 68 69 def pop(self, index=None): # real signature unknown; restored from __doc__#默认删除最后一个 70 """ 71 L.pop([index]) -> item -- remove and return item at index (default last). 72 Raises IndexError if list is empty or index is out of range. 73 """ 74 pass 75 76 def remove(self, value): # real signature unknown; restored from __doc__#指定删除 77 """ 78 L.remove(value) -> None -- remove first occurrence of value. 79 Raises ValueError if the value is not present. 80 """ 81 pass 82 83 def reverse(self): # real signature unknown; restored from __doc__#反转 84 """ L.reverse() -- reverse *IN PLACE* """ 85 pass 86 87 def sort(self, key=None, reverse=False): # real signature unknown; restored from __doc__#排序 88 """ L.sort(key=None, reverse=False) -> None -- stable sort *IN PLACE* """ 89 pass
字典
1 #语法 2 dic= {"name":"alex","age":33,"job":"IT"}#结构k：v，k：v 3 dic1 = {"tya":"ret","set":2453} 4 #查： 5 dic["name"] 6 dic.get('name') 7 8 #添加： 9 dic['gender'] = 'female' 10 11 #改： 12 dic["name"] = "laf" 13 14 #删： 15 del dic["name"] 16 17 #其他 18 dic.update(dic1)#更新字典，去重 19 dic.items()#转换成列表 20 dic.values()#打印所有values值 21 dic.keys()#打印所有的key值 22 23 print("name" in dic)#判断key是否在字典里面返回True or Flase 24 dic.setdefault("ct")#存在返回值，不存在自动生成k，v 25 dic.fromkeys([1,2,3,4,5,6],'ddd')#把列表里面的数字当做key，后面当成v 26 for key in dic: 27 print(key,dic[key]) 28 29 #字典里面套字典 30 id_db = { 31 371481199306143632:{ 32 'name':'xiaoli', 33 'age':22, 34 'addr':'shandong' 35 }, 36 371481199306143633:{ 37 'name':'xiaoly', 38 'age':22, 39 'addr':'shandong' 40 } 41 } 42 43 class dict(object): 44 """ 45 dict() -> new empty dictionary 46 dict(mapping) -> new dictionary initialized from a mapping object's 47 (key, value) pairs 48 dict(iterable) -> new dictionary initialized as if via: 49 d = {} 50 for k, v in iterable: 51 d[k] = v 52 dict(**kwargs) -> new dictionary initialized with the name=value pairs#成对出现 53 in the keyword argument list. For example: dict(one=1, two=2) 54 """ 55 def clear(self): # real signature unknown; restored from __doc__#清除 56 """ D.clear() -> None. Remove all items from D. """ 57 pass 58 59 def copy(self): # real signature unknown; restored from __doc__#复制 60 """ D.copy() -> a shallow copy of D """ 61 pass 62 63 @staticmethod # known case 64 def fromkeys(*args, **kwargs): # real signature unknown 65 """ Returns a new dict with keys from iterable and values equal to value. """ 66 pass 67 68 def get(self, k, d=None): # real signature unknown; restored from __doc__#得到值 69 """ D.get(k[,d]) -> D[k] if k in D, else d. d defaults to None. """ 70 pass 71 72 def items(self): # real signature unknown; restored from __doc__#转换成列表 73 """ D.items() -> a set-like object providing a view on D's items """ 74 pass 75 76 def keys(self): # real signature unknown; restored from __doc__#得到字典里所有的key 77 """ D.keys() -> a set-like object providing a view on D's keys """ 78 pass 79 80 def pop(self, k, d=None): # real signature unknown; restored from __doc__#删除 81 """ 82 D.pop(k[,d]) -> v, remove specified key and return the corresponding value. 83 If key is not found, d is returned if given, otherwise KeyError is raised 84 """ 85 pass 86 87 def popitem(self): # real signature unknown; restored from __doc__ 88 """ 89 D.popitem() -> (k, v), remove and return some (key, value) pair as a 90 2-tuple; but raise KeyError if D is empty. 91 """ 92 pass 93 94 def setdefault(self, k, d=None): # real signature unknown; restored from __doc__ 95 """ D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D """ 96 pass 97 98 def update(self, E=None, **F): # known special case of dict.update#更新 99 """ 100 D.update([E, ]**F) -> None. Update D from dict/iterable E and F. 101 If E is present and has a .keys() method, then does: for k in E: D[k] = E[k] 102 If E is present and lacks a .keys() method, then does: for k, v in E: D[k] = v 103 In either case, this is followed by: for k in F: D[k] = F[k] 104 """ 105 pass 106 107 def values(self): # real signature unknown; restored from __doc__#取字典里所有values 108 """ D.values() -> an object providing a view on D's values """ 109 pass