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'
+new_data:''
+with open(r'C:\Users\86185\Desktop\test.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小強:16本' in data:
+    #file1.write('小兰:12本\n')
+    #file1.write('小麗:11本\n')
+    #file1.write('李文:9本\n')
+    #file1.write('張偉:16本\n')
+            data=data.replace('小強:16本','小強:11本')
+        if '小蘭:12本' in data:
+            data=data.replace('小蘭:12本','小蘭:14本')
+            new_data += data
+
+with open(r'C:\Users\86185\Desktop\test.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)
+
+with open(r'C:\Users\86185\Desktop\test.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
+    #for data in file1:
+        #if '張偉:16本' in data:
+            #print('數據在文件中')
+        #if '小蘭:12本' in data:
+            #print('數據在文件中')
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