字典的镶嵌

#字典的镶嵌
dic={"name":["apple","banana","grape"],
     "information":{1:"sweet",2:"delisious",3:"sour"},
     "hobby":"fruit",
     "age":18
    }

print(dic)
print(dic["name"][0].upper())
dic["name"].append("red grape")
print(dic)
dic["age"]=99
print(dic)
dic["information"][4]="I like it"
print(dic["information"][4]) 
#字典的K值是不可变数据类型：str,tuple,int,Bool
#而value可以是任何的数据类型