23-使用for循环遍历数据对象

astr = 'hello' alist = [10,20,30] atuple = ('bob','tom','alice') adict = {'name':'john','age':23} for ch in astr: print(ch) for i in alist: print(i) for name in atuple: print(name) for key in adict: print('%s: %s' %(key,adict[key]))

结果输出：