save project

diy.py

+# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'16本'
+# file=open(r"C:\Users\Administrator\Desktop\test.txt",'a',encoding='utf-8')
+# # file.write('小兰:12本') 
+# # file.write('小丽:11本')
+# # file.write('李文:9本')
+# # file.write('张伟:16本')
+# # file.write('小强:12本\n')
+# # file.write('李明:15本\n')
+# file.write('小兰:12本')   
+# file.close()
+# with open(r"C:\Users\Administrator\Desktop\test.txt",'a',encoding='utf-8') as file:
+     #file.write('小强:12本\n')
+     #file.write('李明:15本\n')
+with open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8') as file:
+   for data in file:
+      if '小强:12本\n' in data:
+         print("在文件中")
+      if '小强:12本\n' in data:
+         print("在文件中")
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