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\hyqt\Desktop\text1.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()
+
+
+new_data=''
+with open(r'C:\Users\hyqt\Desktop\text1.txt','r',encoding='utf-8') as file1:
+    #file1.write('小强：10本\n')
+    #file1.write('李明：15本\n')
+    for date in file1:
+        if  "小强：10本" in date:
+            date=date.replace("小强：10本","小强：11本")
+        if  "小兰：12本" in date:
+            date=date.replace("小兰：12本","小兰：14本")  
+        new_data += date
+
+with open(r'C:\Users\hyqt\Desktop\text1.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)
+with open(r'C:\Users\hyqt\Desktop\text1.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
+
+