input: Write a function to create a Python dictionary using the names and ages provided in the input list, where the names are the keys and the ages are the values. If the input list is empty, return an empty dictionary.
  
  assert create_people_dict(["John (20)", "Jane (40)", "Alex (18)", "Peter (45)"])=={'John': 20, 'Jane': 40, 'Alex': 18, 'Peter': 45}
  assert create_people_dict([])=={}
output: def create_people_dict(people_list):
      if not people_list:
          return {}
      people_dict = {}
      for person in people_list:
          name, age = person.split(' (')
          age = int(age.rstrip(')'))
          people_dict[name] = age
      return people_dict