auto save

diy3.py

-student1 = {'语文': 91, '数学': 88, '英语': 85}
-student2 = {'语文': 97, '数学': 98, '英语': 90}
-student3 = {'语文': 95, '数学': 100, '英语': 93}
-score = {'悟空': student1, '诺依': student2, '小贝': student3} 
-while True:   
-    name=input("请输入姓名")
-    print("*"*30)
-    if name in score:
-        info=score[name]    
-        for k,v in info.items():
-            print(k,v)
-        print("*"*30)
-    elif name == "q":
-         break
-    else:
-       print("输入错误") 
+import math
+a=(round(a,2))
+print(a)
\ No newline at end of file

dvojfdi.py

+a=[[1,2,3,4],[5,6,7,8]]
+for i in a:
+    for j in i:
+        print(j,end="\t")
+    print()
\ No newline at end of file

wordbook.txt

+apple
+banana
+87
\ No newline at end of file