zoukankan      html  css  js  c++  java
  • Python输入输出练习,运算练习,turtle初步练习

    1. 

    >>> print("Hello World")
    Hello World

    2.

    >>> 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!

    3.

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

    4.

    >>> 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)
    725.6031973468695

    5.

    >>> r = 5
    >>> area = 3.1415 * r * r
    >>> print(area)
    78.53750000000001

    6.

    import turtle
    turtle.pensize(3)
    turtle.circle(10)
    turtle.circle(20)
    turtle.circle(30)
    turtle.circle(50)
    turtle.circle(80)
    turtle.circle(120)

    7.

    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)

     8.

    import turtle
    turtle.pensize(2)
    turtle.color("red")
    turtle.fillcolor("red")
    turtle.begin_fill()
    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)
    turtle.end_fill()

      

  • 相关阅读:
    MySQL数据库与表的增删改查
    JavaScript相关基础知识点
    用jquery制作一个二级导航下拉菜单
    jQuery如何获取元素及选择器的参考
    Trapping Rain Water
    First Missing Positive
    Combination Sum II
    Combination Sum
    vector的几小点
    C中字符结尾‘’的作用
  • 原文地址:https://www.cnblogs.com/liulingyuan/p/7483917.html
Copyright © 2011-2022 走看看