Python Authoring Region selection-dict

"' Mutselect of the place name.1.1-3 to three layer2. ' Q " to exit.3." B " to back.4.other words to retry." kyewords= (' 1 ', ' 2 ', ' 3 ', ' Q ', ' Q ') placename={"Liaoning": {"Dalian":("high-tech", "Zhongshan"), "Shenyang":("Tiexi", "Hun nan"), "Huludao":("Lotus Mountain", "Xingcheng")},        "Jilin": {"Changchun":("Dawa", "Gao Tian"), "siping":("Er River", "Lu Yang"), "Tongliao":("Tonghua", "Underworld")},        "Heilongjiang": {"Hal":("Pingshan", "Yang"), "daqing":("Black Oil", "thousand"), "Mohe":("Russia", "northernmost")}}def province (placename):          #提取省份到列表     ProvinceList=[]     j=1    for i in placename.keys ():         provincelist=provincelist+[i]        print (J, '. ', i)         j+=1    return  (provincelist) def  jugdeinput (inputlist):     proname= ""   &Nbsp; prvalue=input ("please select provide number,press  ' Q '  to exit:")     if prvalue== ' 1 '  :        proname= inputlist[0]    elif prvalue== ' 2 ':         proname=inputlist[1]    elif prvalue== ' 3 ':         proname=inputlist[2]    elif prvalue== ' q '  or prvalue== ' Q ':         print ("Tuichu")          Return (' 0 ')     elif prvalue== ' B '  or prvalue== ' B ':         return ('-1 ')     else:         return    print ("You select%s, the following is its 1 sub-region:"%proname)     return (ProName) While true:   &nbsP Provincelists=province (placename)     aaaa=jugdeinput (provincelists)      if aaaa== ' 0 ':         break    elif  placename.__contains__ (AAAA):         cityname=placename[aaaa]         while True:             citylists=province (CityName)              bbbb= jugdeinput (citylists)              if bbbb== ' 0 ':                 aaaa= ' 0 '                  break            elif  Cityname.__contains__ (BBBB):  &Nbsp;              countrylist=cityname[ bbbb]                for  name in countrylist:                     print (name)                  while True:                     lastvalue=input ("Please press   ' B '  to return or  ' Q '  to quit: ")                      if lastvalue== ' Q '  or  lastvalue== ' Q ':                         bbbb= ' 0 '                          aaaa= ' 0 '                           break                     elif lastvalue== ' B '  or lastvalue== ' B ':                          break                     else:                         continue             elif bbbb== '-1 ':                 break                         if aaaa== ' 0 ':                 break         if aaaa== ' 0 ':             Breakprint (' This query has ended! ')

Python's List,dict method is not fully recorded and needs to be strengthened. I do not know why 3.0 is not compatible with 2.0, reading all look mixed, we must pay attention!

This article comes from "Looking back on the empty" blog, so be sure to keep this source http://yishi.blog.51cto.com/1059986/1978271

Python Authoring Region selection-dict