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'
+#file1=with open("C:\\Users\\joy\\Desktop\\text.txt","w",encoding="utf-8")as file1:
+    #file1.write('小兰：12本\n')
+    #file1.write('小丽：11本\n')
+    #file1.write('李文：9本\n')
+    #file1.write('张伟：16本\n')
+    #file1.close()
+#with open("C:\\Users\\joy\\Desktop\\text.txt","w",encoding="utf-8")as file1:
+    #file1.write('李明:10本\n')
+#with open("C:\\Users\\joy\\Desktop\\text.txt","r",encoding="utf-8")as file1:
+    #a=file1.read()
+    #print(a)
+new_data=""
+with open("C:\\Users\\joy\\Desktop\\text.txt","r",encoding="utf-8")as file1:
+    for data in file1:
+        if '李明:10本'in data:
+            data=data.replace('李明:10本','李明:11本')
+            new_data+=data
+with open("C:\\Users\\joy\\Desktop\\text.txt","w",encoding="utf-8")as file1:
+    file1.write(new_data)
+    print(new_data)
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