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'、
+# file1=open(r'C:\Users\DELL\Desktop\test.txt','w',encoding='utf-8')
+# file1.write('小兰：12本,小丽：11本,李文：9本,张伟：16本')
+# file1.close()
+# with open(r'C:\Users\DELL\Desktop\test.txt','r',encoding='utf-8') as file1:
+#     a=file1.read()
+        # print(a)
+# with open(r'C:\Users\DELL\Desktop\test.txt','r',encoding='utf-8') as file1: 
+    # a=file.read()
+    # print(a)
+new_data=''
+with open(r'C:\Users\DELL\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','小强:11')
+        new_data +=data
+with open(r'C:\Users\DELL\Desktop\test.txt','w',encoding='utf-8') as file:
+    file.write(new_data)
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