save project

diy.py

 f = open(r'C:\Users\EDZ\Desktop\drtyu90oiuytfret5y7utdrser6t78tret678tr.txt','w')
-f.write('jygtfrfgtyutrdtfyu\n'*90)
+f.write('jygtfrfgtyutrdtfyu\n'*10000)
 f.close()
 f = open(r'C:\Users\EDZ\Desktop\drtyu90oiuytfret5y7utdrser6t78tret678tr.txt','a')
-f.write('jygtfrfgtyutrdtfyu\n'*90)
+f.write('jygtfrfgtyutrdtfyu\n'*10000)
 f.close()
+s = ''
 with open (r'C:\Users\EDZ\Desktop\drtyu90oiuytfret5y7utdrser6t78tret678tr.txt','r') as f:
     a = f.read()
     for i in a:
         if 'j' in i:
-            f = open(r'C:\Users\EDZ\Desktop\drtyu901oiuytfret5y7utdrser6t78tret678tr.txt','w')
-            f.write('jygtfrfgtyutrdtfyu\n'*10)
-            f.close()
-            f = open(r'C:\Users\EDZ\Desktop\drtyu901oiuytfret5y7utdrser6t78tret678tr.txt','a')
-            f.write('jygtfrfgtyutrdtfyu\n'*1000000)
-            f.close()
\ No newline at end of file
+            i=i.replace('j','JJ')
+        s += i
+with open(r'C:\Users\EDZ\Desktop\drtyu90oiuytfret5y7utdrser6t78tret678tr.txt','w') as df:
+    df.write(s)
\ No newline at end of file