save project

diy2.py

-username = "python"
-userpassword = "123456"
+i=3
+username = "6"
+userpassword = "8"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-    print("用户名和密码错误!请重新输入")
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i=i-1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username :
+            print("用户名错误!请重新输入")
+            continue
+            print("温馨提示:你还有 "+ str(i) +" 机会")
+        if name != userpassword :
+            print("密码错误!请重新输入")
+    else:
+        print("账户已锁定")
+        exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file

ewe.py

+num=0
+while num<20:
+    if num%2 ==1:
+        print(num)
+    mun+=1
\ No newline at end of file

zs.py

+a=['华雄']
+a.insert(1,'文丑')
+a.insert(2,'颜良')
+#a.append('文丑')
+#a.append('颜良')
+#b=['文丑','颜良']
+#a.extend(b)
+print(a)
\ No newline at end of file

乘.py

+for i in range(1,10):
+for i in range(1,10):
+    for j in range(1,i+1):
+        print(j,"x",i,"=",(j*i),end=" ")
+    print()
\ No newline at end of file