def func1(): dict1 = {} dict2 = {'name':'earth','port':80} return dict1,dict2def func2(): return dict((['x',1],['y',2]))def func3(): adict = {}.fromkeys(['x','y'],23) return adictdef func4(): alist = {'name':'earth','port':80} for keys in alist.keys(): print "%s %s" % (keys,alist[keys])def func5(): alist = {'name':'earth','port':80} for keys in alist: print "%s %s" % (keys,alist[keys])def func6(akey): alist = {'name':'earth','port':80} if akey in alist: return True else: return Falsedef func7(akey): alist = {'name':'earth','port':80} if alist.has_key(akey): return True else: return Falsedef func8(): alist = {'name':'earth','port':80} print 'host %(name)s is running on %(port)d' % alistdef func9(akey): alist = {'name':'earth','port':80} if akey in alist: del alist[akey] return True else: return Falsedef func10(): alist = {'name':'earth','port':80} alist.clear() return alistdef func11(): alist = {'name':'earth','port':80} del alistdef func12(akey): alist = {'name':'earth','port':80} if akey in alist: return alist.pop(akey)def func13(): alist = {'name':'earth','a':80} blist = {'name':'earth','z':8080} return cmp(alist,blist)def func14(): alist = zip(('x','y'),(1,2)) blist = dict([('xy'[i-1],i) for i in range(1,3)]) return dict(alist),blistdef func15(): adict = {'name':'earth','port':80} bdict = adict.copy() return bdict,len(bdict)def func16(): adict = {'name':'earth','port':80} bdict = {'name':'earth','port':8080} print adict.keys() print adict.values() print adict.items() adict.update(bdict) print adictdef func17(): adict = {'name':'earth','port':80} for keys in sorted(adict): print 'adict %s has value %s' % (keys,adict[keys])def func18(akey): adict = {'name':'earth','port':80} if adict.get(akey): return True else: return 'no such key!'def func19(): adict = {'name':'earth','port':80} bdict = {}.fromkeys('abc') print bdict return adict.setdefault('name','wycqhost')import timenowtime = time.time()def gettime(nowtime): return time.strftime('%Y/%m/%d %H:%M:%S',time.localtime(nowtime))login = {}def newuser(): prompt = 'login desired:' name = '' while True: name = raw_input(prompt) if login.has_key(name): prompt = 'name taken,try another:' continue else: break pwd = raw_input('passwd:') login[name] = [abs(hash(pwd))] login[name].append(0) print logindef olduser(): nowtime = time.time() name = raw_input('login:') if name not in login: choose = raw_input('will you create a new user(y/n)') if choose.lower()[0] == 'y': newuser() else: pass showmenu() else: pwd = raw_input('passwd:') passwd = login.get(name)[0] if abs(hash(passwd)) == abs(hash(pwd)): if login[name][1] == 0: print login print 'welcome back',name,'you first time loggin' else: print 'welcome back',name if nowtime - login[name][1] <= 14400: print 'you are already logged at time',gettime(login[name][1]) login[name][1] = nowtime else: print 'login incorrect' returndef showuser(): print 'show all user:' for user in login.keys(): print userdef deleteuser(): duser = raw_input('delete user:').lower() if duser in login.keys(): del login[duser] else: print 'user %s is not exists' % duser showmenu()def showmenu(): prompt = '''(n)ew user login(o)ld user login(s)how all user(d)elete user(q)uitenter choice:''' done = False while not done: chosen = False while not chosen: try: choice = raw_input(prompt).strip()[0].lower() except (EOFError,KeyboardInterrupt): choice = 'q' print 'you picked %s' % choice if choice not in 'noqds': print 'invalid option,try again' else: chosen = True if choice == 'q': done = True if choice == 'n': newuser() if choice == 'o': olduser() if choice == 'd': deleteuser() if choice == 's': showuser()#if __name__ == '__main__': # showmenu()def func20(): str1 = '093keffeoelgn' t = set(str1) s = frozenset(str1) return t == sdef func21(): aset = set('xiewenbin') if 'x' in aset: print "x in aset"def func22(): aset = set('strings') aset.add('http') aset.update('httpx') aset.remove('http') aset -= set('x') for i in aset: print i del asetdef func23(): aset = set('abc') bset = set('abcedf') return aset <= bsetdef func24(): aset = set('markshop') bset = frozenset('earthshop') print aset | bset print bset & aset print aset ^ bset print aset - bsetdef func25(): s = set('cheeseshop') u = frozenset(s) s |= set('xie') print s s = set(u) s &= set('shop') print s s = set(u) s -= set('shop') print s s = set(u) t = frozenset('bookshop') s ^= t print s print len(s)import osdef func26(): frozenset(['a','b','c']) f = open('test.txt','w') for i in range(5): f.write('%d\n'%i) f.close() f = open('test.txt','r') print set(f) f.close() os.remove('test.txt')def func27(): alist = ['a','b'] blist = [1,2] print dict(zip(alist,blist))def func28(): adict = {'a':1,'b':2,'c':3} bdict = {} for keys in adict.keys(): bdict[adict[keys]] = keys return bdictdef func29(sstr,dstr,string,casemap=True): assert len(sstr) >= len(dstr) table = dict(zip(sstr,dstr)) print table if len(sstr) > len(dstr): temp = {}.fromkeys(sstr[len(dstr)]) table.update(temp) print table ls = [] for ch in string: if not casemap: if ch.lower() in table: ls.append(table[ch.lower()]) elif ch.upper() in table: ls.append(table[ch.upper()]) else: ls.append(ch) continue if ch in table: ls.append(table[ch]) else: ls.append(ch) ls = [ch for ch in ls if ch] print ls return " ".join(ls)def func30(sstr): alist = [chr((num + 13) % 26 + ord('a')) for num in range(26)] blist = [chr(num + ord('a')) for num in range(26)] table = dict(zip(blist,alist)) astr = "".join(alist).upper() bstr = "".join(blist).upper() table.update(dict(zip(bstr,astr))) ls = [] for ch in sstr: if ch in table: ls.append(table[ch]) else: ls.append(ch) return " ".join(l<strong style="color:transparent">本文来源gaodai#ma#com搞@@代~&码*网/</strong>s)import randomdef func31(): alist = [random.randint(i,10) for i in range(10)] blist = [random.randint(i,10) for i in range(10)] aset = set(alist) bset = set(blist) print aset | bset print aset & bset
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