20192020_2nd_Sem

# 1: [-1, 5, 3, 7, 2]
# 2: 0 6 (pass by value, pass by reference)

# 3:
# def __init__(self, Cname):
#   self.__Cname = Cname

# class CpeCourse(Course):
#   def __init__(self, Cname, *students)
#       Course.__init__(self, Cname)
#       self.__studentList = []
#       for student in students:
#           self.__studentList.append(student)

#   def insert_student(student):
#       self.__studentList.append(student)

#   for student in self.__studentList:
#       sum += student.getSmark()
#   return sum / len(self.__studentList)

#   print(Course.getCname(self))
#   for student in self.__studentList:
#       print(student.getSName(), " mark= ", student.getSmark())
#   print("Average: ", self.getAverage())

#   f = open(Course.getCName(self), "wb")
#   for student in self.__studentList:
#       pickle.dump(student, f)
#   f.close()

#   f = open(Course.getCName(self), "rb")
#   while True:
#       try:
#           studentList.append(pickle.load(f))
#       except EOFError:
#           break
#   f.close()

#   Course c1 = Course("CpE211", s1, s2)

# 4: [7, 6, 2, 2, 8]

# 5: 30
# i = 1 => s = 0
# i = 2 = + 2 (2)
# i = 3 = +4 (6)
# i = 4 = +6 (12)
# i = 5 = +8 (20)
# i = 6 = +10 (30)

# 6:
# wb = Workbook()
# ws1 = wb["Names"]
# ws2 = wb["marks"]
# ws3 = wb.create_sheet("Students List")
# ws1_colA = ws1['A2':'A'+str(n+1)]
# ws2_colA = ws2['A2':'A'+str(n+1)]
# ws3_colA = ws3['A2':'A'+str(n+1)]
# ws3_colB = ws3['B2':'B'+str(n+1)]

# ws3_colA[i][0].value = ws1_colA[i][0].value
# ws3_colB[i][0].value = ws2_colA[i][0].value

# ...

# wb.save("exam.xlsx")

# 7: for.... d[i].display()

# 8: 61 6 (61 instead of 51 because it uses the m1() found in B... even in A

# 10: [A-Za-z_]\w*

# 11: 35 1 (times is pass by value, can't be changed over functions)

# 12: re.findall("\^_?\^", line) ^ must be escaped, ? is a ternary operator
# count += len(result) <-- treat result as a list