Python Small white Road (attribute Syntax III apply business Card Manager project)

#encoding =utf-8print ("Welcome to Pyhon Business Card System") #定义列表存储名片信息list_card = [{' Number ': 1, ' name ': ' Zhanshi ', ' phone ': ' 110 '},{' number ': 2, ' name ': ' Warrior ', ' phone ': ' 119 '}]while true:print ("*" *20) #名片系统功能 print ("Add Business Card" 1 ") print (" Delete business Card "2") print ("Modify Business Card" 3 ") Print (" Query business Card "4") Print ("Query all" 5 ") print (" Destroy system "6") Print ("Exit system" 7 ") Print (" * "*20) str1 = input (" Please enter the function selected: ") if str1 = = ' 1 ': id = int (input ( "Please enter a new number:") name = Input ("Enter new name:") Telphone = input ("Please enter new phone:") #定义字典 Dict_card = {} dict_card[' number '] = ID dict_card[' name '] = name dict_card[' phone '] = telphone #将字典数据插入到列表中 list_card.append (dict_card) print ("Add complete") elif str1 = = ' 2 ': name = input ("please Enter deleted name: ") flag = False for dict_list in list_card:if dict_list[' name '] = = Name:flag = True list_card.remove (dict_list) #b Reak if Flag:print ("Name:%s deleted"%name) Else:print ("%s name not found, cannot delete"%name) continue #删除后功能继续 elif str1 = ' 3 ': name = input ("please Enter the name before the change: ") #默认不存在标志 flag = False for dict_list in list_card:if dict_list[' name '] = = name:new_id = Int (Input (" Enter new number: ")) n Ew_name = input ("Please enter a new name:") new_telphone= Input ("Please enter new phone:") dict_list[' number ') = new_id dict_list[' name '] = new_name dict_list[' phone '] = new_telphone flag = True If flag: Print ("Name:%s modified OK"%name) else:print ("%s name not found, cannot modify"%name) continue elif str1 = ' 4 ': name = input ("Please enter name of query:") #默认不存在标志 Flag = False Print ("=" *20) for dict_list in List_card:if dict_list[' name '] = = name:flag= True if Flag:print ("Number:%d, Name:%s, Phone:%s "% (dict_list[' number '],dict_list[' name '],dict_list[' phone ')) Else:print ("%s not Found "%name) print (" = "*20) Continue Elif str1 = = ' 5 ': print ("=" *20) for Dict in List_card:for Key,value in Dict.items (): Print ("%3s:%s"% (key,value)) print ("=" *20) elif str1 = = ' 6 ': Del list_card print (' Business card system destruction!!! ') Break elif str1 = = ' 7 ': Break Else:print ("Please use business card system as prompted")

Python small white Road (attribute Syntax III apply business Card Manager project)