save project

1.py

+with open (r'C:\Users\Administrator\Documents\sstt.txt','w',encoding='utf-8') as f:
+    f.write('小兰：12本\n小丽：11本\n李文：9本\n张伟：16本')
+with open (r'C:\Users\Administrator\Documents\sstt.txt','r',encoding='utf-8') as f:
+    # a=f.read()
+    # print(a)
+    for i in f:
+        if '小强:10本' in i:
+           print("y") 
\ No newline at end of file

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'
+# f=open(r'C:\Users\Administrator\Desktop\1.txt','w',encoding='utf-8')
+# f.write('小兰：12本','小丽：11本','李文：9本','阿伟：16本')
+with open(r'C:\Users\Administrator\Desktop\1.txt','w',encoding='utf-8') as filel:
+   filel.write('小兰：12本','小丽：11本','李文：9本','阿伟：16本')
+with open(r'C:\Users\Administrator\Desktop\1.txt','a',encoding='utf-8') as filel:
+    filel.write('小强：12本','小马：11本')
+
+with open(r'C:\Users\Administrator\Desktop\1.txt','a',encoding='utf-8') as filel:
+   a=filel.read()
+   print(a)