python -- dictionary

Python  /  houtizong 发布于 3年前   253

#test dic#traversal dicdef TravDic(dic):    print 'travsersal dic begin\n';    for name, key in dic.items():        print '%s ==> %s\n' %(name, key);    print 'travsersal dic end\n';#test is in dicdef IsInDic(dic, name):    #if name in dic : #ok    if dic.has_key(name) :        print 'key(%s) ==> val(%s)\n' %(name, dic[name]);    else:        print 'key(%s) ==> null' %name;dic = {    'andylin' : '[email protected]',    'congfeng' : '[email protected]',    'carl' : '[email protected]',    'test' : '[email protected]'};TravDic(dic);#add itemdic['new'] = '[email protected]';TravDic(dic);#delete itemdel dic['test'];TravDic(dic);IsInDic(dic, 'andylin')IsInDic(dic, 'test')