save project

diy3.py

-file1=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
-file1.write('小兰：12本')
-file1.write('小立：11本')
-file1.write('李文：9本')
-file1.write('张伟：16本')
-file1.close()
-with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as file:
-    file.write('小兰：12本\n')
-    file.write('小强：12本\n')
-    file.write('李明：15本\n')
+#file1=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
+#file1.write('小兰：12本')
+#file1.write('小立：11本')
+#file1.write('李文：9本')
+#file1.write('张伟：16本')
+#file1.close()
+#with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as file:
+    #file.write('小兰：12本\n')
+    #file.write('小强：12本\n')
+    #file.write('李明：15本\n')
\ No newline at end of file
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file1: 
+    for data in file1
+        if'小强：10本'in data
+            print('小强在数据中')
+        if'小兰：12本'in data
+            print('小兰在数据中')    
+             
\ No newline at end of file