save project

diy.py

+#file=open(r'C:\Users\Administrator\Desktop\text.txt',"w",encoding='utf-8')
+#file.write('小兰:12本\n')
+#file.write('李明:15本\n')
+
+with open(r'C:\Users\Administrator\Desktop\text.txt',"r",encoding='utf-8')as file:
+    a=file.read()
+    if "小兰:12本" in a:
+        b=a.replace("小兰:12本","小兰:10本")
+with open(r'C:\Users\Administrator\Desktop\text.txt',"w",encoding='utf-8')as file:
+    file.write(a)
+    
+

jsadguagdyYGS.PY

+str='我有两个苹果'
+str.replace('两','三')
+print(str)
\ No newline at end of file