''' 写函数,检查传入的字符串是否含有空字符串,返回结果,包含空字符串返回True,不包含返回False 例如: 传入:"hello world" 返回:True ''' def a(s): if isinstance(s,str) or isinstance(s,list) or isinstance(s,tuple): for i in s: #if i==' ': if i.isspace(): return 'true' else: return 'False' #else: #return None l3=["hello world"] ret=a(l3) print(ret)