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'
+#file=open (r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")
+#file.write("小兰：12本\n")
+#file.write("小丽：11本\n")
+#ile.write("李文：9本\n")
+#file.write("张伟：16本\n")
+file = open (r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")
+file.write("小强:10本\n")
+file.write("李明:15本\n")
+file = open (r"C:\Users\Administrator\Desktop\test.txt","a",encoding="utf-8")
+file.write("小兰：12本\n")
+file.close()
+
+
+
+#with open (r"C:\Users\Administrator\Desktop\test.txt","r",encoding="utf-8")as file:
+    #for data in file:
+        #if "小强:10本" in data:
+            #print("小强数据在文件中")
+        #if "小兰：12本" in data:
+            #print("小兰数据在文本中")
+new_data=""
+with open (r"C:\Users\Administrator\Desktop\test.txt","r",encoding="utf-8")as file:
+    for data in file:
+        if "小强:10本" in data:
+            data=data.replace("小强:10本","小强:11本")
+        if "小兰：12本" in data:
+            data=data.replace("小兰：12本","小兰：14本")
+        new_data+=data
+with open (r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")as file:
+    file.write(new_data)
+with open (r"C:\Users\Administrator\Desktop\test.txt","r",encoding="utf-8")as file:
+    a=file.read()
+    print(a)
+
+
+
+
+        
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