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'
+with open(r"C:\Users\ly\Desktop\ppppppp.txt",'w',encoding='utf-8') as file:
+    file.write('eeee:12\n')
+    file.write('zz:10000000000000000000\n')
+with open(r"C:\Users\ly\Desktop\ppppppp.txt",'a',encoding='utf-8') as file:
+    file.write('sb:1000000000')
+with open(r"C:\Users\ly\Desktop\ppppppp.txt",'r',encoding='utf-8') as file:
+    f=file.read()
+    print(f)
+    for data in f:
+        if 'eeee:12' in data:
+            print('存在')
\ No newline at end of file