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2-9-diy5.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:
+    print("请输入要查询的名字，退出请输入q")
+    name = input("姓名:")
+    if name in score:
+        info = score[name]
+        for k,v in info.items():
+            print(k, v)
+        print("*" * 30)
+    elif name == "q":
+        break
+    else:
+        print("查询错误，请重新输入")
+print("程序结束")
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diy1.py

@@ -4,11 +4,11 @@
 scores = {'语文':89, '数学':95, '英语':80}
 scores = {'语文':89, '数学':95, '英语':80}
 
 
 def get_average(scores):
 def get_average(scores):
-    score = 0  
+    sumscore = 0  
     for subject, score in scores.items():
     for subject, score in scores.items():
-        score += score
-        print('现在的总分是%d'%score)
-    ave_score = score/len(scores)
+        sumscore += score
+        print('现在的总分是%d'%sumscore)
+    ave_score = sumscore/len(scores)
     print('平均分是%d'%ave_score)
     print('平均分是%d'%ave_score)
 
 
 get_average(scores)
 get_average(scores)
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diy4弹簧隧道.py

+import turtle 
+import turtle 
+pen=turtle.Pen()
+screen=turtle.Screen()
+pen.speed("fast")#pen.speed(90)
+pen.hideturtle()
+screen.bgcolor('black')
+i=0
+while i<135:
+    pen.pencolor('pink')
+    pen.penup()
+    pen.goto(0,0)
+    pen.forward(200)
+    pen.pendown()
+    pen.circle(100)
+    pen.left(2)
+    i+=1
+turtle.done()
\ No newline at end of file

sd.py

+while True:
+    if name in score:
+        info=score[name]
+        for i,j in info.items():
+            print("*"*100)
+            print(i,j)            
+    elif name="q":
+        break
+    else:
+        print("名字不对")
\ No newline at end of file

平均分.py

+scores1 = {'语文':89, '数学':95, '英语':80}
+scores1 = {'语文':89, '数学':95, '英语':80}
+scores2 = {'语文':68, '数学':64, '英语':76}
+def average(scores):#scores是函数的参数
+    total = 0  # sum 作为函数内部的局部变量，从而可以为函数所用
+    for k, v in scores.items():
+        total += v
+        print('现在的总分是%d'%total)
+    ave_score = total/len(scores)
+    print('平均分是%d'%ave_score)
+average(scores2)#调用函数
+