Проблема в том, что я хочу добавить студента в существующую запись, а затем сохранить его в txt.file, используя файл в python, однако он не будет добавляться в текстовый файл.Ожидаемый результат моего кода - добавить ДВА ученика в словарь, затем сохранить его в текстовый файл, а после прочтения этого текстового файла появятся добавленные ученики.
while True:
def Menu(): #Menu Function
print("****Student Record****")
print()
print("[1] Add Student")
print("[2] View Student")
print("[3] View all Students")
print("[4] Delete a Student")
print("[5] Delete all Students")
print("[6] Load file")
print("[7] Save to file")
print("[0] Exit")
def save(): #isang student lang na-aadd
saveHandle = open("record.txt", "a")
for k in record: #Checks each key in dictionary
student = k #each student is assigned to the key
i = 0
if student == str(k): #checks if student is in dictionary
saveHandle.write(str(new + ",")
for k in record[k]:
if i == 0:
saveHandle.write(str(k))
if i == 1:
saveHandle.write(str(k))
if i == 2:
saveHandle.write(str(k))
if i == 3:
saveHandle.write(str(k))
i = i + 1
def load():
record = [] #oks na
readHandle = open("record.txt", "r")
for line in readHandle:
student = line[:-1]
record.append(student)
readHandle.close()
print(record)
Menu()
print() #space
option = int(input("Enter option: "))
print()
record = {"2018-00000" : ["Jake Peralta", "BA Communication Arts", "1st Year", "19"]}
#Current school record
if option == 1: #Adding a student in the record
new = input("Enter student no.: ")
newname = input("Enter name: ")
newdegree = input("Enter degree: ")
newyear = input("Enter year level: ")
newage = input("Enter age: ")
record[new]=(newname, newdegree, newyear, newage) #adding a new key and list to the dictionary
print("Student record has been added")
elif option == 2: #View a student's record
student = input("Enter the Student no. of the student you want to view: ")
print()
for k in record: #checks each key in dictionary
i = 0
if student == k: #checks if user input student no. is equal to any key in the dictionary
print("Student no:",student)
for k in record[k]: #checks each element in the list per key
if i == 0: #first element
print("Name:",k)
if i == 1: #second element
print("Degree:",k)
if i == 2: #third element
print("Year Level:",k)
if i == 3: #fourth element
print("Age:",k)
i = i + 1 #updates each item in list
elif option == 3: #View all students
for k in record: #Checks each key in dictionary
student = k #each student is assigned to the key
i = 0
if student == str(k): #checks if student is in dictionary
print("Student no:",student)
for k in record[k]: #for every item in list per key
if i == 0:
print("Name:",k)
if i == 1:
print("Degree:",k)
if i == 2:
print("Year Level:",k)
if i == 3:
print("Age:",k)
i = i + 1
print()
else:
print("No Students on the record")
elif option == 4: #Deleting a student
xstudent = input("Enter the student no. of the student you want to delete: ")
print()
for k in record: #Checks each key in dictionary
if xstudent == str(k):#Checks if user input is in dictionary
deleted = record.pop(k) #deletes the key and value
print("Student record has been deleted.")
else:
print("Student is not part of the record. ")
break
elif option == 5: #Deletes Record
record.clear()
print("All student records are now deleted")
elif option == 0: #Exit
print("Thank you. Have a nice day!")
elif option ==6:
load()
elif option == 7: #Save
save()