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'
+# files=open(r"C:\Users\玛酷机器人\Desktop\test.txt",'w',encoding='utf-8')
+# files.write('小兰：12本\n')
+# files.write('小丽：11本\n')
+# files.write('李文：9本\n')
+# files.write('张伟：16本\n')
+# files.close()
+# with open(r"C:\Users\玛酷机器人\Desktop\test.txt",'a',encoding='utf-8') as files:
+#     files.write("小陈：12本\n")
+# with open(r"C:\Users\玛酷机器人\Desktop\test.txt",'r',encoding='utf-8') as files:
+#     a=files.read()
+#     print(a)
+newdate=""
+with open(r"C:\Users\玛酷机器人\Desktop\test.txt",'r',encoding='utf-8') as files:
+    for date in files:
+        if '李文：9本' in date:
+            date=date.replace("李文：9本","李文：21本")
+        newdate +=date
+with open(r"C:\Users\玛酷机器人\Desktop\test.txt",'w',encoding='utf-8') as files:
+    files.write(newdate)
+    
+
+
+
+
+
+
+
+
+
+
+    
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