Python用循环输入姓名到字典并查找

Question

怎么用循环在字典里输入姓名并查找，每次都会出现一些问题，求各位大神解答一下

Answer 1

_dict = {
    "Li": 1,
    "He": 2,
}

while(True):
    word = input()
    if word in _dict.keys():
        print("名字在字典中：", word, _dict[word])
    else:
        print("名字不在字典中，重新输入")