#範例7-7：巢狀字典dict vs 串列字典
#https://www.w3schools.com/python/python_dictionaries_nested.asp
#https://www.w3school.com.cn/python/python_dictionaries.asp

#觀念：很多個dict組合成的字典群，有2種做法：
#（1）方法1：巢狀字典： {1:{}, 2:{},  3:{}}
#（2）方法2：串列字典： [ {},  {},  {} ]

#-----------------------------
#1.建立巢狀字典dict
#phone = {
#      1:{"品牌":"samsung","規格":"galaxy s22","銷售年":2022,"價格":20000},
#      2:{"品牌":"iphone","規格":"14","銷售年":2022,"價格":30000},
#      3:{"品牌":"小米","規格":"12 pro","銷售年":2022,"價格":25000}    
#    }
#-----------------------------


#----------------------------
#2.查詢小米手機的價格
#print(phone[3]["品牌"], "價格是", phone[3]["價格"])
#-----------------------------




#----------------------
#3.建立串列字典dict：list裡面有三個產品{....}
#phone = [
#      {"品牌":"samsung","規格":"galaxy s22","銷售年":2022,"價格":20000},
#      {"品牌":"iphone","規格":"14","銷售年":2022,"價格":30000},
#      {"品牌":"小米","規格":"12 pro","銷售年":2022,"價格":25000}    
#    ]

#-----------------------------



#---------------------
#4.查詢小米手機的價格
#print(phone[2]["品牌"],"價格是", phone[2]["價格"])
#-----------------------------


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#-----------------------------------------------------------
#範例7-7：巢狀字典dict vs 串列字典
#https://www.w3schools.com/python/python_dictionaries_nested.asp
#https://www.w3school.com.cn/python/python_dictionaries.asp

#觀念：很多個dict組合成的字典群，有2種做法：
#（1）方法1：巢狀字典： {1:{}, 2:{},  3:{}}
#（2）方法2：串列字典： [ {},  {},  {} ]

#-----------------------------
#1.建立巢狀字典dict
phone = {
      1:{"品牌":"samsung","規格":"galaxy s22","銷售年":2022,"價格":20000},
      2:{"品牌":"iphone","規格":"14","銷售年":2022,"價格":30000},
      3:{"品牌":"小米","規格":"12 pro","銷售年":2022,"價格":25000}    
    }
#----------------------------
#2.查詢小米手機的價格
print(phone[3]["品牌"],"價格是", phone[3]["價格"])


#----------------------
#3.建立串列字典dict：list裡面有三個產品{....}
phone = [
      {"品牌":"samsung","規格":"galaxy s22","銷售年":2022,"價格":20000},
      {"品牌":"iphone","規格":"14","銷售年":2022,"價格":30000},
      {"品牌":"小米","規格":"12 pro","銷售年":2022,"價格":25000}    
    ]

#---------------------
#4.查詢小米手機的價格
print(phone[2]["品牌"],"價格是", phone[2]["價格"])


#-----------------------------------------------------------