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'、'张伟：16本'
+# with open(r"C:\Users\周子轩\Desktop\test.txt","a",encoding="utf-8")  as file:
+#     file.write("小强：20本\n")
+#     file.write("李文：20本\n")
+# with open(r"C:\Users\周子轩\Desktop\test.txt","r",encoding="utf-8")  as file:
+#     a=file.read()
+# print(a)
+with open() as file:
+    a=file.read()
+    for i in a:
+        if i=="小强：20本":
+            print("数据在文件中")
+    for i in a:
+        if i=="小兰：12本":
+           print("数据在文件中") 
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