python: Loop Tuples

 

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def selectSql(cls):     """       :return:     """     studentlist = []     students = []     data = cls.studentlist.selectSql()     (studentlist) = data  # 如C# 强制转换     ''' 也可以     sts=list(data)     print(sts)     for oo in sts:          for nn in oo:              print("nn",nn[1])     #print(data)     '''     for obj in studentlist:         for i in obj:             students.append(StudentListInfo.StudentList(i[0],i[1],i[2],i[3]))     return students   def selectSqlOrder(cls, order: str)->list:     """     元组数据     :param order: studenName desc/asc     :return:     """     studentsorder = []     students=[]     data = cls.studentlist.selectSqlOrder(order)       (studentsorder) = data # 如C# 强制转换       ''' 也可以     for i in range(len(studentsorder)):         print("rrr",type(studentsorder[i]))         for duobj in studentsorder[i]:             print(type(duobj))             print(duobj)     '''     for obj in studentsorder:         #print(type(obj))         for i in obj:             students.append(StudentListInfo.StudentList(i[0], i[1], i[2], i[3]))     return students

　　

https://www.w3schools.com/python/python_tuples_unpack.asp

 

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geovindu=[(2, '王二', '002', datetime.datetime(2008, 2, 14, 0, 0)), (10, '涂年生', '006', datetime.datetime(2008, 2, 14, 0, 0))] #元组拆包 for a in geovindu:     print(*a)