Untitled

name_score_dict = {}

while True:

    name=input("請輸入姓名, 輸入x結束").strip()
    if name.upper() =='X':
        break
    score=input("請輸入成績").strip()

    name_score_dict[name]=score

for n in name_score_dict.keys():
    if int(name_score_dict[n])<60:
        print(n,name_score_dict[n])