摘要：
l = [['Apple','Google','Microsoft'],\ ['Java','Python','Ruby','PHP'],\ ['Adam','Bart','Lisa']\ ] names= ['Michael','Bob','Tracy'] #list print(names[1] 阅读全文
摘要：
import turtle turtle.speed(15) colors =['red','orange','blue','green','pink','yellow','white','red'] for i in range(250): turtle.pencolor(colors[i%8]) 阅读全文