Making A Statistics Text File (Python) -

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i'm making program takes name , input in form of numbers , gives them score want score saved in text file , want able multiple times when write file overwrites last stat there anyway change

here function i'm using:

def calculate():     try:         = float(enter1.get())         b = float(enter2.get())         c = float(enter3.get())         d = float(enter4.get())         e = float(enter5.get())         f = float(enter6.get())         result =(a+b+(c*2)+(d*2)+e-f)*2.5         n = result         w = "score:"         label7.config(text=str(result))         myfile = open('stats.txt','w')         x = str(enter0.get())         y =("(%s) %s" % (w, n))         myfile.write(x)         myfile.write(y)         myfile.close()      except valueerror:         label7.config(text='enter numbers!',fg="white")

maybe change

myfile = open('stats.txt','w')

into

myfile = open('stats.txt','a') # append

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