auto save

diy1.py

@@ -3,14 +3,15 @@
 
 scores = {'语文':89, '数学':95, '英语':80}
 
-def get_average(dict_1)):
-    score = 0
+def get_average(scores):
+    sum = 0
 
     for subject, score in scores.items():
 
-        score += score
-        print('现在的总分是%d'%score)
-    ave_score = score/len(scores)
+        sum += score
+      #  print(sum )
+        print('现在的总分是%d'%sum)
+    ave_score = sum/len(scores)
     print('平均分是%d'%ave_score)
 
 get_average(scores)
\ No newline at end of file

s.py

+a=['a','b','c']
+#字典定义 b   语文:88,数学:99 ，英语:100
+
+b={'语文':88,'数学':99,'英语':100}
+c={'张三':b}
+print(c)
+'''
+#读取数学成绩 
+# print(b['数学'])
+#增加 体育60
+b['体育']=60
+#print(b)
+#将语文成绩修改为99
+b['语文'] =99
+#删除数学
+b.pop('数学')
+# print(b)
+#遍历字典 键名，值
+# for k,v in b.items():
+#     print(k,v)
+#遍历字典的 键名
+# for k in b.keys():
+#     print(k)
+#遍历字典的值
+for v in b.values():
+    print(v)
+
+    '''

s2.py

+# 原代码：
+city = ['纽约','华盛顿','桃源岛','洛杉矶','芝加哥','旧金山']
+area=input('你想去哪里啊？')
+if area in city:
+   print('可以乘坐飞机通往'+area)
+else:
+   print('没有'+area+'这座城市')

s3.py

+a=10
+def  fun1():
+    a=3
+    print(a)
+def fun2():
+    b=a+4
+    print(b)
+ 
+fun2()