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python
2 years ago
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'Problem 1'

class Student:  
  
  def __init__(self, name, id, course_grade):         
    self.name = name         
    self.id = id         
    self.course_grade = course_grade 
    
  def __str__(self):         
    return "Student: " + self.name + ", Id#" + str(self.id)       
    


'Problem 2'
    
  def compute_average(student):  
    if (len(student.courses) == 0):
      return -1

    total_sum = 0 
    count = 0 

    for course, grade in student.courses:
      total_sum += grade

      count += 1

    return total_sum/count
    


'Problem 3'



  def compare_avegrage(self, student):
  



'Problem 4'

  def find_by_ID(students, id):
    for s in students:
      if s.id == id:
        return s 
    return print("NA")



# main function
def main():
    # create 4 student objects, requires __init__() method
    s1 = Student('Alice', 123, [('comp1405', 83), ('comp1805', 95)])
    s2 = Student('Bob', 323, [('comp1405', 78), ('phys1205', 82)])
    s3 = Student('Cathy', 567, [('comp1406', 62), ('comp1805', 80)])
    s4 = Student('Doe', 999)
    
    # print 4 student objects, requires __str__() method
    print()
    print(s1)
    print(s2)
    print(s3)
    print(s4)
    
    # call compute_average() method
    print()
    print(f"{s1.name}'s average score:", s1.compute_average())
    print(f"{s2.name}'s average score:", s2.compute_average())
    print(f"{s3.name}'s average score:", s3.compute_average())
    print(f"{s4.name}'s average score:", s4.compute_average())
    
    # call compare_average() method
    print()
    s1.compare_average(s2)
    s2.compare_average(s3)
    s3.compare_average(s1)

    # call find_by_id() function
    print()
    print(f"Looking for a student with ID = 123: {find_by_id([s1,s2,s3], 123)} found")
    print(f"Looking for a student with ID = 999: {find_by_id([s1,s2,s3], 567)} found")
    print(f"Looking for a student with ID = 555: {find_by_id([s1,s2,s3], 555)} found")
    
# call main()
if __name__ == "__main__":
    main()