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 turtle turtle.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 turtle turtle.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 = 5 area = 3.1415 * r * r print(area) 78.53750000000001
海伦公式 a = float(input("a:")) a:3 b = float(input("b:")) b:4 c = 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 word print("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))