Given a list of employees, defined as employees in the cell below, write python code to perform the following:
For all male employees, print the employee_id on one line and on another line print their names formatted as lastname, firstname. A blank line should be printed between successive employees
employees = [
   { "email": "jonathan2532.calderon@g.com",
        "employee_id": 101,
        "firstname": "Jonathan",
        "lastname": "Calderon",
        "title": "Mr",
        "work_phone": "(02) 3691 5845"},
    { "email": "christopher8710.hansen@g.com",
        "employee_id": 102,
        "firstname": "Christopher",
        "lastname": "Hansen",
        "title": "Mr",
        "work_phone": "(02) 5807 8580"},
    {"email": "isabella4643.dorsey@g.com",
        "employee_id": 103,
        "firstname": "Isabella",
        "lastname": "Dorsey",
        "title": "Mrs",
        "work_phone": "(02) 6375 1060"},
    {"email": "barbara1937.baker@g.com",
        "employee_id": 104,
        "firstname": "Barbara",
        "lastname": "Baker",
        "title": "Ms",
        "work_phone": "(03) 5729 4873"}]