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'
+i1=''
+with open(r"C:\Users\MK016\Desktop\test.txt",'r',encoding='utf-8') as file1:
+    for i in file1:
+        if '小兰：12本' in i:
+            i=i.replace('小兰：12本','小兰：14本')
+        if '小强:10本' in i:
+            i=i.replace('小强:10本','小强:12本')
+        i1+=i
+        
+with open(r"C:\Users\MK016\Desktop\test.txt",'w',encoding='utf-8') as file1:
+    file1.write(i1)
+with open(r"C:\Users\MK016\Desktop\test.txt",'r',encoding='utf-8') as file1:
+    b=file1.read()
+    print(b)
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