Python_example_ Multilevel Selection Program

2018-09-09

Author: Zug

ide:pycharm2018.02 Python 3.7

KeyWord: Dictionary

Explain:

Multistage selection, follow-up optimization

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__author__="Chu Ge"#Key-valueData= {            "Europe":{                    "www.hsbc.com": ["Personal Banking","Insurance Investment","borrowing and credit cards"],                    "www.citibank.com": ["The most successful financial services group","Savings Trust Securities Insurance"],                    "www.jpmorganchase.com": ["A multinational financial services organization and the largest bank in the United States","Investment Management"],                    "www.deutsche.com": ["Germany's largest bank and the world's leading financial institution","the world's foremost financial institution"]                  },            "Japan and South Korea":{                    "bankofjapan.com":["Japan's largest financial institution","Personal Business"],                    "bankofhanya.com":["Korea's largest financial institution","Personal Business"]                  },            "Mainland":{                    "BOC":["ranked first","Savings Trust Securities Insurance"],                    "ICBC":["ranked second","Savings Trust Securities Insurance"],                    "CCB":["ranked third","Savings Trust Securities Insurance"],                    "ABC":["Ranked # Fourth","Savings Trust Securities Insurance"],                    "Cross-line":["Ranked # Fifth","Savings Trust Securities Insurance"]                  }        }Print("Bank:", data) data["Mainland"]["CCB"][1] ="Savings Trust Securities insurance, scattered currency"  #ModifyData.setdefault ("Mainland",{"www.baidu.com": []})Print("Bank:", data) Exit_flag=False while  notExit_flag:Print('----First Floor----')    #local_a = 0    #For i in data:    #local_a + = 1    #print (' ordinal%d%s '% (local_a,i))     forIndex, iteminchEnumerate (data):#enumerate the list subscript.        Print(Index, item)#Enumerate (data) Get subscriptindex1= Input ("choose to enter (content) 1 >>>:")    ifIndex1inchData: while  notExit_flag:#For I2 in data[index1]:            #print ("\ T", I2)             forIndex, iteminchEnumerate (Data[index1]):#enumerate the list subscript.                Print(Index, item)#Enumerate (data) Get subscriptIndex2= Input ("choose to enter 2 >>>:")            ifIndex2inchData[index1]: while  notexit_flag:local_a=0 fori3inchData[index1][index2]: local_a+ = 1Print('local_a:%d'%local_a,"\t\t", i3) index3= Input ("last layer, press B to return to >>:")                        ifIndex3 = ="b":                            Pass                        elifIndex3 = ="Q": Exit_flag=TrueifIndex2 = ="b":                 Break            elifIndex2 = ="Q": Exit_flag= True

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----First Floor----0 Europe and the United States 1 Mainland 2nd Korea choose to enter (content) 1 >>>: Mainland 0 BOC 1 Agricultural Bank 2 CCB 3 ICBC 4 cross-line choice to enter 2 >>>: ICBC Local_a:1   ranked second last level, press B to return >>:

　　

Python_example_ Multilevel Selection Program