save project

1.py

-with open(r'C:\Users\22747\Desktop\www.txt,"r",encoding="utf-8")as a:
-b=a.readlines()
-print(b)
+x= open(r'C:\Users\bell007\Desktop\test.txt,'w',encoding='utf-8')
+x.write("小兰:12本\n")
+x.close()
+with open(r'C:\Users\bell007\Desktop\test.txt,'a',encoding='utf-8')as x:
+    x.write("小明:6本\n")
+    x.write("小军:6本\n")
+with open(r'C:\Users\bell007\Desktop\test.txt,'r',encoding='utf-8')as x:
+    for data in x:
+        if"小明:6本"in data:
+            print("数据在文件中")
+    
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