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'
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kk.py

+#file=open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
+#file.write('小兰:12本')
+#file.write('小丽:11本')
+#file.write('李文:9本')
+#file.write('张伟:16本')
+#file.close()
+# with open(r'C:\Users\Administrator\Desktop\text.txt','a',encoding='utf-8')as file:
+#     file.write('小强:12本/n')
+#     file.write('李明:15本/n')
+new_date=""
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as file:
+    for data in file:
+        if"小强:10"in data:
+            data=data.replace('小强:10','小强:11')
+        if"小兰:12"in data:
+            data=data.replace('小兰:12','小兰:14')
+        new_date+=data
+with open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')as file:
+    file.write(new_date)
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as file:
+    a=file.read()
+    print(a)
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