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=open(r"C:\Users\dell\Desktop\新建文本文档 (2).txt",'w',encoding='utf-8')
+#file1.write('小兰：12\n','小丽:11\n','李文:9\n','张伟:16\n')
+#file1.close()
+new_data=''
+#with open(r"C:\Users\dell\Desktop\新建文本文档 (2).txt",'a',encoding='utf-8')as file1:
+#file1.write('李明：15\n')
+#file1.write('小强:10\n')
+    #for data in file1:
+        #if'小强：10'in data:
+           # print('小强数据在文件中')
+        #if'小兰:12'in data:
+            #print('小兰数据在文件中')
+with open(r"C:\Users\dell\Desktop\新建文本文档 (2).txt",'a',encoding='utf-8')as file1:
+    for data in file1:
+        if'小强: 10本'in data:
+            data=data.replace('小强: 10','小强:11')
+         if'小兰: 12本'in data:
+            data=data.replace('小兰: 12','小兰:14')
+with open(r"C:\Users\dell\Desktop\新建文本文档 (2).txt",'a',encoding='utf-8')as file1:
+    file1.write(new_data)
+with open(r"C:\Users\dell\Desktop\新建文本文档 (2).txt",'a',encoding='utf-8')as file1:
+    a=file1.read()
+    print(a)
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