Python3从零学习(六)

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# -*- coding:utf-8 -*-year =int(input("请输入一个年份:"))if (year % 4) == 0:    if (year % 100) == 0:        if (year % 400) == 0:             print("是闰年")        else:            print("不是闰年")    else:        print("不是闰年")else:    print("不是闰年")

celsius = float(input("请输入摄氏温度:"))fahrenheit = (celsius * 1.8) + 32print("{}摄氏温度转华氏温度为:{}".format(celsius,fahrenheit))celsius = (fahrenheit - 32) / 1.8print("{}华氏温度转摄氏温度为:{}".format(fahrenheit,celsius))

a = float(input("请输入边长a:"))b = float(input("请输入边长b:"))c = float(input("请输入边长c:"))while (abs(a - b) >= c or c >= abs(a + b)):    c = float(input("请输入边长c:"))s = (a + b + c) / 2area = (s*(s-a)*(s-b)*(s-c)) ** 0.5print("三角形的面积为:{}".format(area))

import cmatha = float(input("输入a:"))b = float(input("输入b:"))c = float(input("输入c:"))d = (b**2) - (4 * b * c)sol1 = (-b-cmath.sqrt(b))/(2*a)sol2 = (-b+cmath.sqrt(b))/(2*a)print("结果为:{}和{}".format(sol1,sol2))

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