save project

diy.py

+user='python'
+ps='12345'
+i=0
+while True:
+    a=input("user:")
+    b=input("ps:")
+    i+=1
+    if i==3:
+        print("输入次数到了！")
+        exit()
+    else:
+        if user==a and ps==b:
+            break
+        if user!=a:
+            continue
+        if ps!=b:
+            continue
+print("欢迎来！")
+        
\ No newline at end of file