CP1Day11不要停止就行

Today I'm in a silence. I can't persuade my heart to let it go,MiMi.

Fortunately,I have mind,so it can be faded with time going.

Go Go Go

• The below is code of sort ,I can debug the whole project tomorrow.

![](https://content.hackertalk.net/pub/GMlwNd-aKJ6mWd

#This fuction is sort by grades
def sort():
    show()
    if os.path.exists(filename):  # check whecher the file exists
        with open(filename,'r') as file:  #  open with read only
            student_old = file.readlines()
            student_new = []
            for list in student_old :
                d = dict(eval(list))#  string turn into dictionary
                student_new.append(d)   # add to new list
    else:
        retutn
    ascORdesc = input("Please make a choose:(0 Ascending order 1 Descending order):")
    if ascORdesc == "0":
        ascORdescBool = False
    elif ascORdesc =="1":
        ascORdescBool = True
    else:
        print("Your input is incurrect,please inter again:")
        sort()
    mode = input("Please select the way of sort（1.sort by English grade, 2.sort by Python grade , 3.sort by C grade, 0.sort by total grades）：")
    if mode == "1":
        student_new.sort(key=lambda x:x["english"],reverse=ascORdescBool)
    elif mode=="2":
        student_new.sort(key=lambda x:x["Python"],reverse=ascORdescBool)
    elif mode =="3":
        student_new.sort(key=lambda x:x["C"],revewse = ascORdesBool)
    elif mode =="0":
        student_new.sort(key=lambda x:x["english"]+x["Python"]+x["C"],reverse=ascORdescBool)
    else:
        print("Your input is incurrect,please enter again:")
        sort()
    show_student(student_new)   # show the result of sort
print("Ok")