猫史档案馆

import turtle
t = turtle.Pen()
t.speed(0.009)
turtle.bgcolor("#000000")
colors = ['orange', 'yellow', 'red', 'green', 'blue', 'indigo', 'violet', 'white', 'gray']
for i in range(900):
for color in colors:
t.pencolor(color)
t.forward(i)
t.left(146)

import turtle
t = turtle.Pen()
t.speed(0.009)
c=['red','orange','blue','green']
l=400
n=4
for i in range(n):
t.pencolor(c[i%4])
t.forward(l/n)
t.left(360/n)

Dict={'A':87,'B':76,'C':499}
keys=[]
values=[]
name=""
Max=0
a=0
def m (Dict):
name=""
Max=0
for key in Dict:
keys.append(key)
values.append(Dict[key])
if Dict[key] > Max:
Max=Dict[key]
name=key
print(keys)
print(values)
print('成绩最高的学生是{}，成绩是{}'.format(key,Max))
def n (Dict):
keys=[]
Sam=0
for key in Dict:
Sam=Sam+Dict[key]
Max=key
a=Sam/len(Dict)
print('班级总分{}，平均分{}'.format(Sam,a))
m(Dict)
n(Dict)