python_第一天记录

1. 输出语句入门

   1 print('hello', 'world', sep=', ', end='!')
   2 print('goodbye, world', end='!\n')

   sep：在每个字符串中间的间隔 　　   end：结尾添加字符      

2. import turtle
   
   turtle.pensize(4)
   turtle.pencolor('red')
   turtle.forward(100)
   turtle.right(90)
   turtle.forward(100)
   turtle.right(90)
   turtle.forward(100)
   turtle.right(90)
   turtle.forward(100)
   turtle.mainloop()

   turtle：引入