class JobMarketplace:
    """
    This is a class that provides functionalities to publish positions, remove positions, submit resumes, withdraw resumes, search for positions, and obtain candidate information.
    """
    def __init__(self):
        self.job_listings = []
        self.resumes = []

    def post_job(self, job_title, company, requirements):
        """
        This function is used to publish positions,and add the position information to the job_listings list.
        :param job_title: The title of the position,str.
        :param company: The company of the position,str.
        :param requirements: The requirements of the position,list.
        :return: None
        >>> jobMarketplace = JobMarketplace()
        >>> jobMarketplace.post_job("Software Engineer", "ABC Company", ['requirement1', 'requirement2'])
        >>> jobMarketplace.job_listings
        [{'job_title': 'Software Engineer', 'company': 'ABC Company', 'requirements': ['requirement1', 'requirement2']}]

        """

        # requirements = ['requirement1', 'requirement2']
        job = {"job_title": job_title, "company": company, "requirements": requirements}
        self.job_listings.append(job)

    def remove_job(self, job):
        """
        This function is used to remove positions,and remove the position information from the job_listings list.
        :param job: The position information to be removed,dict.
        :return: None
        >>> jobMarketplace = JobMarketplace()
        >>> jobMarketplace.job_listings = [{"job_title": "Software Engineer", "company": "ABC Company", "requirements": ['requirement1', 'requirement2']}]
        >>> jobMarketplace.remove_job(jobMarketplace.job_listings[0])
        >>> jobMarketplace.job_listings
        []

        """

        self.job_listings.remove(job)

    def submit_resume(self, name, skills, experience):
        """
        This function is used to submit resumes,and add the resume information to the resumes list.
        :param name: The name of the resume,str.
        :param skills: The skills of the resume,list.
        :param experience: The experience of the resume,str.
        :return: None
        >>> jobMarketplace = JobMarketplace()
        >>> jobMarketplace.submit_resume("Tom", ['skill1', 'skill2'], "experience")
        >>> jobMarketplace.resumes
        [{'name': 'Tom', 'skills': ['skill1', 'skill2'], 'experience': 'experience'}]

        """

        resume = {"name": name, "skills": skills, "experience": experience}
        self.resumes.append(resume)

    def withdraw_resume(self, resume):
        """
        This function is used to withdraw resumes,and remove the resume information from the resumes list.
        :param resume: The resume information to be removed,dict.
        :return: None
        >>> jobMarketplace = JobMarketplace()
        >>> jobMarketplace.resumes = [{"name": "Tom", "skills": ['skill1', 'skill2'], "experience": "experience"}]
        >>> jobMarketplace.withdraw_resume(jobMarketplace.resumes[0])
        >>> jobMarketplace.resumes
        []

        """

        self.resumes.remove(resume)

    def search_jobs(self, criteria):
        """
        This function is used to search for positions,and return the position information that meets the requirements.
        :param criteria: The requirements of the position,str.
        :return: The position information that meets the requirements,list.
        >>> jobMarketplace = JobMarketplace()
        >>> jobMarketplace.job_listings = [{"job_title": "Software Engineer", "company": "ABC Company", "requirements": ['skill1', 'skill2']}]
        >>> jobMarketplace.search_jobs("skill1")
        [{'job_title': 'Software Engineer', 'company': 'ABC Company', 'requirements': ['skill1', 'skill2']}]

        """

        matching_jobs = []
        for job_listing in self.job_listings:
            if criteria.lower() in job_listing["job_title"].lower() or criteria.lower() in [r.lower() for r in job_listing["requirements"]]:
                matching_jobs.append(job_listing)
        return matching_jobs

    @staticmethod
    def matches_requirements(resume, requirements):
        for skill in resume["skills"]:
            if skill not in requirements:
                return False
        return True

Method:
def get_job_applicants(self, job):
        applicants = []
        for resume in self.resumes:
            if self.matches_requirements(resume, job["requirements"]):
                applicants.append(resume)
        return applicants

Summary: This function is used to obtain candidate information,and return the candidate information that meets the requirements by calling the matches_requirements function.