save project

TRMJHFHG.PY

+new_data=''
+with open(r'C:\Users\bellcode\Desktop\myfile2.txt','r',encoding='utf-8') as file:
+    for data in file:
+        if'李明:12' in data:
+            data=data.replace('李明:12','李明：24')
+        new_data=new_data+data
+
+with open(r'C:\Users\bellcode\Desktop\myfile2.txt','w',encoding='utf-8') as file:
+    file.write(new_data)
+
+with open(r'C:\Users\bellcode\Desktop\myfile2.txt','r',encoding='utf-8') as file:
+    a=file.read()
+    print(a)
\ No newline at end of file