4.14作业
list1 = ["malele","xiekang","liwenjie",1000]print(list1)
print(type(list1))
str1 = "malele"
list1 = list(str1)
print(list1)
print(type(list1))
list1 = ["malele","xiekang","liwenjie",1000]
list1[0] = "hello"
print(list1)
list1[2:] = "abc"
print(list1)
list1.append("hello")
list1.append(123)
list1.append(["xianan"])
print(list1)
list1 = ["hello"]
list2 = ["malele"]
list1.extend(list2)
print(list1)
list1 = ["hello"]
list2 = "1234"
list1.extend(list2)
print(list1)
list1 = ["malele","xiekang""hello",9527]
list1.insert(0,"xian")
list1.insert(2,"1000")
list1.insert(3,["beijing"])
print(list1)
list1 = ["malele","xiekang""hello",9527]
index1 = list1.index("malele")
print(index1)
list1 = ["malele","xiekang","hello","9527"]
list1.remove("malele")
print(list1)
del list1[0]
del list1[0:2]
print(list1)
list1.sort()
print(list1)
list1 = ["malele","Xiekang","Hello","9527"]
list1.sort()
print(list1)
list1 = [1,8,2,4,5,3,7]
list1.sort(reverse=True)
print(list1)
list1.sort(reverse=False)
print(list1)
list1 = ["malele","xiekang""hello","9527"]
list2 = sorted(list1,reverse=True)
list3 = sorted(list1,reverse=False)
print(list2)
print(list3)
list1 = [2,1,6,4,3,5,"hello","malele"]
list1.reverse()
print(list1)
print(list1[::-1])
list1 = ["malele","Xiekang","Hello","9527"]
print(list1.pop(0))
print(type(list1.pop(0)))
print(list1)
tuple1 = ("xiaoma","xiaoli","xiaozhang",["xianan"],1000)
print(tuple1)
print(type(tuple1))
tuple2 = ("xiaoma",)
print(tuple2)
print(type(tuple2))
tuple1 = ("xiaoma","xiaoli","xiaozhang",["xianan"],1000)
print(tuple1[0])
print(type(tuple1[0]))
print(tuple1[4])
print(type(tuple1[4]))
print(tuple1[3])
print(type(tuple1[3]))
print(tuple1[0:3])
list1 = list(tuple1)
list1[0] = "xiaowang"
tuple2 = tuple(list1)
print(tuple2)
tuple1[3][0] = "beijing"
print(tuple1)
for i in tuple1:
print(i)
dict1 = {"name":"xiaoma","age":18}
print(dict1)
print(type(dict1))
test = [("name","xiaoma"),("age",99)]
dict1 = dict(test)
print(dict1)
print(type(dict1))
dict1 = {"name":"xiaoma","age":99}
dict1["aa"] = 1
print(dict1)
for i in dict1:
print(i)
for i in dict1.keys():
print(i)
for i in dict1.values():
print(i)
print(dict1["name"])
print(dict1["aa"])
dict1.setdefault("bb",2)
dict1.setdefault("cc")
print(dict1)
del dict1["name"]
print(dict1)
del dict1
print(dict1)
dict1.pop("age")
print(dict1)
dict1.clear()
print(dict1)
dict1 = {"aa":11,"bb":22}
for i in dict1:
print(i)
for i in dict1:
print(i,dict1[i])
for k,v in dict1.items():
print(k,v)
print(dict1.get("aa"))
bb1 = dict1.get("bb")
print(bb1)
print(dict1.get("cc"))
dict1 = {}.fromkeys(["aa","bb"])
dict1["aa"] = 11
dict1["bb"] = 22
print(dict1)
dict1 = {"aa":11,"bb":22}
print(dict1)
print(dict1.__contains__("aa"))
print(dict1.__contains__("cc"))
if dict1.__contains__("cc") is True:
print("判断成功")
else:
dict1.setdefault("cc")
print(dict1)
pop = dict1.popitem()
print(dict1)
print(pop)
print(type(pop))
dict1 = {"aa":11,"bb":22}
dict2 = {"cc":33}
dict1.update(dict2)
print(dict1)
aa = "malele"
set1 = set(aa)
print(set1)
set1.clear()
print(set1)
aa = "malele"
set1 = set(aa)
set1.pop()
print(set1)
set1.remove("l")
print(set1)
set1.add("l")
print(set1)
set1.add("xian")
print(set1)
print(type(set1))
aa = "malele"
set1 = frozenset(aa)
set2 = set1.copy()
print(set1)
print(set2)
print(type(set1))
# print(type(set2))
list1 = [1,2,0,2,1,4,5,3,4,5,8,7,6,5,6,7]
set1 = set(list1)
print(set1)
list2 = list(set1)
print(list2)
list2 = []
for i in set(list1):
list2.append(i)
print(list2)
页:
[1]