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'
+filel=open(r"F:\桌面\jntm.txt","w",encoding="utf-8")
+filel.write("小兰：12本\n")
+filel.write("小丽：11本\n")
+filel.write("小李：9本\n")
+filel.write("da张伟：16本\n")
+filel.close()
+
+with open(r"F:\桌面\jntm.txt","a",encoding="utf-8")as filel:
+    filel.write("小qiang：-999999999999999999999999999999999999999999999999999本\n")
+    filel.write("wu yi fan：999999999999999999999999999999999999999999999999999本\n")
+
+
+with open(r"F:\桌面\jntm.txt","a",encoding="utf-8")as filel:
+    a=filel.read()
+    print(a)
+    if "小兰：12本"in i:
+        print(jntm)
+
+str.replace('小qiang：-999999999999999999999999999999999999999999999999999本','小qiang：-999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999本')
\ No newline at end of file