save project

diy.py

+# fell=open(r"C:\Users\bellcode\Desktop\aqw.txt","w",encoding="utf-8")
+# fell.write('小强：10本\n')
+# fell.write('小兰：12本\n')
+# fell.close()
+
+with open(r"C:\Users\bellcode\Desktop\aqw.txt","r",encoding="utf-8") as fell:
+    for data in fell:
+        if '小强：10本' in data:
+            print('数据在文件中')
+        if '小兰：12本' in data:
+            print('数据在文件中')
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