save project

555666.py

+file1=open("C:\\Users\\Administrator\\Desktop\\diy","w",encoding="utf-8")
+file1.write('小兰：12本')
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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=open("C:\\Users\\Administrator\\Desktop\\diy.txt","w",encoding="utf-8")
+# 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\\Administrator\\Desktop\\diy.txt","a",encoding="utf-8")as file1:
+#     file1.write('小强：10本\n')
+#     file1.write('李明：15本\n')
+new_file1=""
+with open("C:\\Users\\Administrator\\Desktop\\diy.txt","r",encoding="utf-8")as file1:
+    for data in file1 :
+        if '小强：10本' in data: 
+            data=data.replace('小强：10本','小强：11本')
+        if '小兰：12本' in data: 
+            data=data.replace('小兰：12本','小兰：14本')
+        new_file1+=data
+with open("C:\\Users\\Administrator\\Desktop\\diy.txt","w",encoding="utf-8")as file1:
+    file1.write(new_file1)
+with open("C:\\Users\\Administrator\\Desktop\\diy.txt","r",encoding="utf-8")as file1:
+    a=file1.read()
+    print(a)
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