auto save

1.py

+import csv
+a=['北京','上海','深圳']
+# f=open(r'C:\Users\19760\Desktop\1.csv','w',encoding='utf-8')
+# f.write(",".join(a))
+# f.close()
+with open(r'C:\Users\19760\Desktop\1.csv','r',encoding='utf-8') as f:
+    # c1=list(csv.reader(f))
+    # print(c1)
+    # c2=f.read()
+    # print(c2)
+    c3=f.readlines()
+    t=[]
+    for i in c3:
+        t.append(i.strip('\n').split(','))
+    print(t)
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2.py

+import turtle
+turtle.screensize(800,600,"blue")
+turtle.color("red")
+turtle.speed(10)
+turtle.begin_fill()
+turtle.circle(200,360,10)
+turtle.end_fill()
+turtle.goto(100,0)
+turtle.right(90)
+# turtle.clear()
+# # turtle.reset()
+turtle.done()
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diy1.py

@@ -2,7 +2,14 @@ username = "python"    # 保存在服务器数据库中的用户账号（正确
 userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
 
 # 请用input()实现用户输入账号、密码的功能
-
-
+while True:
+    a,b=input("用户名："),input("密码：")
+    if a==username and b==userpassword:
+        print("登录成功！")
+        break
+    elif a!=username:
+        print("用户名错误！")
+    elif b!=userpassword:
+        print("密码错误！")
 
 # 如果用户输入的账号、密码正确，提示登陆成功
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