auto save

diy2.py

 username = "python"
 userpassword = "123456"
+l=10
 i=0
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        i=1
-        break
-    if name != username:
-        i=2
-        break
-    if password != userpassword:
-        i=3
-        break
-    if name != username and password != userpassword:
-        i=4
-        break
+    if l>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        print("您还剩"+str(l)+"次机会")
+        if name == username and password == userpassword:
+            i=1
+            break
+        if name != username:
+            i=2
+            l=l-1
+            break
+        if password != userpassword:
+            i=3
+            l-=1
+            break
+        if name != username and password != userpassword:
+            i=4
+            l-=1
+            break
 if i==1:
     print("登录成功!")
     print("欢迎来到贝尔编程!")
 if i==2:
     print("1")
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        i=1
-    if name != username:
-        i=2
-    if password != userpassword:
-        i=3
-    if name != username and password != userpassword:
-        i=4  
+    if l>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        print("您还剩"+str(l)+"次机会")
+        if name == username and password == userpassword:
+            i=1
+        if name != username:
+            i=2
+            l-=1
+        if password != userpassword:
+            i=3
+            l-=1
+        if name != username and password != userpassword:
+            i=4
+            l-=1  
 if i==3:
     print("2")
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        i=1
-    if name != username:
-        i=2
-    if password != userpassword:
-        i=3
-    if name != username and password != userpassword:
-        i=4  
+    if l>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        print("您还剩"+str(l)+"次机会")
+        if name == username and password == userpassword:
+            i=1
+        if name != username:
+            i=2
+            l-=1
+        if password != userpassword:
+            i=3
+            l-=1
+        if name != username and password != userpassword:
+            i=4
+            l-=1
 if i==4:
     print("1")
     print("2")
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        i=1
-    if name != username:
-        i=2
-    if password != userpassword:
-        i=3
-    if name != username and password != userpassword:
-        i=4  
\ No newline at end of file
+    if l>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        print("您还剩"+str(l)+"次机会")
+        if name == username and password == userpassword:
+            i=1
+        if name != username:
+            i=2
+            l-=1
+        if password != userpassword:
+            i=3
+            l-=1
+        if name != username and password != userpassword:
+            i=4
+            l-=1
\ No newline at end of file