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'
+# abc=open(r'C:\Users\teem\Desktop\上课\。。。.txt','w',encoding='utf-8')
+# abc.write('小兰：12本\n小丽：11本\n李文：9本\n张伟：16本\n')
+# abc.close()
+# with open(r'C:\Users\teem\Desktop\上课\。。。.txt','a',encoding='utf-8') as abc:
+#     abc.write('小强：12本\n李明：15本\n')
+# with open(r'C:\Users\teem\Desktop\上课\。。。.txt','r',encoding='utf-8') as abc:
+#     for i in abc:
+#         if "小强" in i:
+#             print("有")
+a=''
+with open(r'C:\Users\teem\Desktop\上课\。。。.txt','r',encoding='utf-8') as abc:
+    for i in abc:
+        if "小强" in i:
+            i=i.replace('小强：12本','小强：11本')
+            
+        if "小兰" in i:
+            i=i.replace('小兰：12本','小兰：14本')
+        a+=i
+with open(r'C:\Users\teem\Desktop\上课\。。。.txt','w',encoding='utf-8') as abc:
+    abc.write(a)           
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