# name=["一一","二二","三三"]
# socre=["99","100","98"]
# num=0
# name1=input("请输入姓名：")
# for i in range(3):
#     if i == num and name1 == name[num]:
#         print(name1+"的成绩是："+socre[num])
#     num=num+1

# d = {"一一":"99","二二":"100","三三":"98"}
# name2 = input("请输入姓名：")
# # if name2 in d:
# #     print(d[name2])
# # else:
# #     print(d.get(name2,"查询的用户不存在"))
# if name2 in d:
#     d.pop(name2)
#     print("删除成功！"+"\n"+str(d))

# s=set([1,2,3,[1,2,3]])
# print(s)

l=[1,2,3]
l.insert(1,7)
print(abs(-100))
print(max(1,2,3,4))