save project

test.py

@@ -7,6 +7,19 @@ filel.write("张伟：16本\n")
 filel.write("小强：10本\n")
 filel.write("李明：15本\n")
 '''
+'''
 with open(r"C:\\Users\\Administrator\\Desktop\\test.txt","a",encoding="utf-8") as file:
 #filel.write("小兰：12本\n")
     file.write("小郭：-100本")
+filel=open(r"C:\\Users\\Administrator\\Desktop\\test.txt","r",encoding="utf-8")
+a=filel.read()
+print(a)
+filel.close()
+with open(r"C:\\Users\\Administrator\\Desktop\\test.txt","r",encoding="utf-8") as file:
+    a=file.read()
+    print(a)
+'''
+with open(r"C:\\Users\\Administrator\\Desktop\\test.txt","r",encoding="utf-8") as file:
+    for date in file:
+        if"小强:10本"in date:
+            print("在里面")