// Напишите тип, который будет делать ключи и поля для Record<PersonList, PersonProps> необязательными
type PersonList = "Max" | "Alex" | "Boris"
 
type PersonProps = {
  age: number,
  height: number,
}
 
let mans: Record<PersonList, PersonProps> ={
  Alex: {age: 23, height: 170},
  Max: {age: 20, height: 175}.
 
}

type PersonList = "Max" | "Alex" | "Boris";
type PersonProps = {
  age: number;
  height: number;
};
 
type PartialPerson = Partial<Record<PersonList, PersonProps>>;
 
let mans: PartialPerson = {
  Alex: { age: 23, height: 170 },
  Max: { age: 20, height: 175 },
};