python练习输入输出

1

Python 3.6.2 (v3.6.2:5fd33b5, Jul 8 2017, 04:57:36) [MSC v.1900 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> print(‘Hello world!‘)
Hello world!
>>>

3

Python 3.6.2 (v3.6.2:5fd33b5, Jul 8 2017, 04:57:36) [MSC v.1900 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> run1 = input(‘输入第一个数字：‘)
输入第一个数字：5
>>> run2 = input(‘输入第二个数字：‘)
输入第二个数字：6
>>> sum=float(run1)
>>> sum=float(run1)+float(run2)
>>> print(‘数字{0}和{1}相加结果为：{2}‘.format(run1,run2,sum))
数字5和6相加结果为：11.0
>>>

4

Python 3.6.2 (v3.6.2:5fd33b5, Jul 8 2017, 04:57:36) [MSC v.1900 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> a = float(input(‘输入三角形第一边长: ‘))
输入三角形第一边长: 5
>>> b = float(input(‘输入三角形第二边长: ‘))
输入三角形第二边长: 6
>>> c = float(input(‘输入三角形第三边长: ‘))
输入三角形第三边长: 7
>>> s=(a+b+c)/2
>>> area = (s*(s-a)*(s-b)*(s-c))**0.5
>>> print(‘三角形面积为%0.2f‘ %area)
三角形面积为14.70
>>>

6

import turtle
turtle.circle(80)
turtle.circle(50)
turtle.circle(30)

7

import turtle
w = turtle.Screen()
a = turtle.Turtle()
for i in range(5):
    a.forward(100)
    a.right(144)
  

8

python练习输入输出

原文：http://www.cnblogs.com/45hjq/p/7483901.html