简单交互>>> name = input("输入姓名：")输入姓名：郭靖>>> print ("{}同学，学好python,前途无量!".format(name))郭靖同学，学好python,前途无量!>>> print ("{}大侠，学好python,前途无量!".format(name[0]))郭大侠，学好python,前途无量!>>> print ("{}哥哥，学好python,人见人爱!".format(name[1]))靖哥哥，学好python,人见人爱!

画一个同切圆import turtleturtle.pensize(3)turtle.circle(10)turtle.circle(20)turtle.circle(30)turtle.circle(50)turtle.circle(80)turtle.circle(120)

画一个五角星import turtleturtle.pensize(2)turtle.color("red")turtle.forward(100)turtle.left(144)turtle.forward(100)turtle.left(144)turtle.forward(100)turtle.left(144)turtle.forward(100)turtle.left(144)turtle.forward(100)turtle.left(144)turtle.forward(100)

半径为5的圆的面积r = 5area = 3.1415 * r * rprint(area)78.53750000000001

海伦公式a = float(input("a:"))a:3 b = float(input("b:"))b:4c = float(input("c:"))c:5 s=0.5*a*b*c S=(s*(s-a)*(s-b)*(s-c))**0.5 print(S)

画一个全红的五角星 1 import turtle 2 turtle.color('red') 3 turtle.forward(100) 4 turtle.right(144) 5 turtle.forward(100) 6 turtle.right(144) 7 turtle.forward(100) 8 turtle.right(144) 9 turtle.forward(100)10 turtle.right(144)11 turtle.forward(100)

hello wordprint("Hello World")Hello World

两数之和n1 = input("请输入第一个数:")n2 = input("请输入第二个数:")print(float(n1) + float(n2))