版权声明:诸葛老刘所有 https://blog.csdn.net/weixin_39791387/article/details/83186211
In [1]: stu = [('wang', 1), ('zhang', 4), ('fu', 2), ('li', 3), ('fu', 7), ('wa
...: ng', 2), ('wang', 8)]
In [2]: dict1 = {}
In [3]: for k, v in stu:
...: dict1.setdefault(k, []).append(v) # 这是最关键的
...:
...:
In [4]: for k2, v2 in dict1.items():
...: print(k2, v2)
...:
wang [1, 2, 8]
zhang [4]
fu [2, 7]
li [3]
In [6]: