Codes 4 W05

Author: canbula

Week05/classes.py

@@ -0,0 +1,71 @@
+class ClassName:
+    """This is my first class."""
+    pass
+
+
+class Student:
+    def __init__(
+            self, 
+            student_id: str,
+            name: str,
+            age: int
+    ) -> None:
+        self.student_id = student_id
+        self.name = name
+        self.age = age
+        self.courses = []  # self.courses = list()
+    
+    def register(self, course):
+        if course not in self.courses:
+            self.courses.append(course)
+    
+    def drop(self, course):
+        if course in self.courses:
+            self.courses.remove(course)
+    
+    def __str__(self):
+        return f"We have a student with the following information: {self.student_id}, {self.name}, {self.age}"
+    
+    def __repr__(self):
+        return f"Student(\"7\", \"Bora Canbula\", 39)"
+
+
+if __name__ == "__main__":
+    object_name = ClassName()
+    print(object_name)
+    print(hex(id(object_name)))
+    print(dir(object_name))
+    print(object_name.__doc__)
+    # print(help(object_name))
+    print(object_name.__class__)
+    print(object_name.__class__.__name__)
+    print(object_name.__class__.__bases__)
+    print(object_name.__class__.__module__)
+
+    print(isinstance(object_name, ClassName))
+    print(isinstance(object_name, int))
+    print(isinstance(object_name, object))
+
+    print(issubclass(ClassName, object))
+
+    """
+    a = 5
+    print(isinstance(a, int))
+    print(isinstance(a, object))
+    """
+
+    student = Student("7", "Bora Canbula", 39)
+    print(student.student_id)
+    print(student.name)
+    print(student.age)
+    print(student.courses)
+    student.register("CSE 3244")
+    print(student.courses)
+    student.register("CSE 3237")
+    print(student.courses)
+    student.drop("CSE 3237")
+    print(student.courses)
+    print(student)
+    print(student.__repr__())
+    recreated_student = eval(repr(student))
+    print(recreated_student)

Week05/inheritance.py

@@ -0,0 +1,74 @@
+from classes import Student
+
+
+faculty_members = [
+    "Dr. Bora Canbula",
+    "Dr. Feza Gursey",
+    "Dr. Erdal Inonu",
+    "Dr. Engin Arik"
+]
+
+required_keyword = [
+    "machine learning",
+    "deep learning"
+]
+
+
+class GraduateStudent(Student):
+    def __init__(
+            self, 
+            student_id: str, 
+            name: str, 
+            age: int,
+            advisor = None,
+            thesis = None
+    ) -> None:
+        super().__init__(student_id, name, age)
+        self.advisor = None
+        self.thesis = None
+        if advisor is not None:
+            self.assign_advisor(advisor)
+        if thesis is not None:
+            self.propose_thesis(thesis)
+    
+    def assign_advisor(self, advisor):
+        if advisor not in faculty_members:
+            raise ValueError("The advisor is not a faculty member.")
+        self.advisor = advisor
+    
+    def propose_thesis(self, thesis):
+        if not any(keyword in thesis for keyword in required_keyword):
+            raise ValueError("The thesis does not contain any of the required keywords.")
+        self.thesis = thesis
+
+
+if __name__ == "__main__":
+    graduate_student = GraduateStudent("7", "Bora Canbula", 39)
+    print(graduate_student.__class__.__bases__)
+    print(isinstance(graduate_student, GraduateStudent))
+    print(isinstance(graduate_student, Student))
+    print(isinstance(graduate_student, object))
+    graduate_student.register("CSE 3244")
+    print(graduate_student.courses)
+    print(graduate_student)
+    advisor_choices = ["Dr. Nihat Berker", "Dr. Bora Canbula"]
+    for advisor in advisor_choices:
+        try:
+            graduate_student.assign_advisor(advisor)
+        except ValueError:
+            print(f"{advisor} is not a faculty member. Trying the next one.")
+        else:
+            print(f"{advisor} is assigned as the advisor.")
+            break
+    thesis_choices = [
+        "new trends in quantum physics",
+        "deep learning in computer vision"
+    ]
+    for thesis in thesis_choices:
+        try:
+            graduate_student.propose_thesis(thesis)
+        except ValueError:
+            print(f"The thesis \"{thesis}\" does not contain any of the required keywords. Trying the next one.")
+        else:
+            print(f"The thesis \"{thesis}\" is proposed.")
+            break