save project

in.py

-s=open(r'C:\Users\Administrator\Desktop\text.txt','a',encoding='utf-8')
-s.write('SBSBSBSBSBSBSBSBSBSBSBSBSBSBSBSBSBSBSBS BS BSBSBSBSBSBBSBSBSBSSBSBSBSBSBSBSBSBBSSBBSBS')
+s=open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
+s.write('zxc')
 s.close()
 s.close()
+s2=open(r'C:\Users\Administrator\Desktop\text.txt','a',encoding='utf-8')
+s2.write('nmb')
+s2.close()
+s=open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')
+b=s.read
+for i in s:
+    if 'zxc' in i:
+        print('在里面')
+
+
+