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'
+# m=open(r'D:\www\xxx.txt','w',encoding='utf-8')
+# m.write('小兰：12本\n')
+# m.write('小丽：11本\n')
+# m.write('李文：9本\n')
+# m.write('张伟：16本\n')
+# m.close()
+
+
+
+# m=open(r'D:\www\xxx.txt','a',encoding='utf-8')
+# m.write('jjjjjjjjjjjjjjjjj：12000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000本\n')
+# m.close()
+
+
+
+with open(r'D:\www\xxx.txt','a',encoding='utf-8') as m:
+    m.write('鸡哥：99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999本\n')
+    m.write('蔡徐坤：88888888888888888888888888888888888888888888888888888888888888888888888888888888888本')
\ No newline at end of file

jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj.py

+with open(r'D:\www\xxx.txt','r',encoding='utf-8') as m:
+    for data in m:
+        if '小兰：12本' in data:
+            print('小兰在')
\ No newline at end of file