day02作业

def fc():
    a = int(input('a :'))
    b = int(input('b :'))
    c = int(input('c :'))
    if b**2 - 4*a*c > 0:
        r1 = (-b + (b**2 - 4*a*c) ** 0.5) / 2*a
        r2 = (-b - (b**2 - 4*a*c) ** 0.5) / 2*a
        print('方程有2个实根',(r1,r2))
    elif b**2 - 4*a*c == 0:
        r1 = (-b + (b**2 - 4*a*c) ** 0.5) / 2*a
        print('方程有一个实根',r1)
    else:
        print('方程没有根')       
def start():
    fc()
start()  

2.
import random
num1 = random.randint(0,100)
num2 = random.randint(0,100)
print (num1+num2)
sum = num1 + num2
sum1 = int(input('请输入这两个整数的和'))
if sum1 == sum:
    print('真')
else:
    print('假')

3.
def week():
    today = int(input("输入今天星期几："))
    day = int(input("未来的第几天："))
    weekend = ["周日"，"周一","周二","周三","周四","周五","周六",]
    weilai = today + day
    new = 0
    new = weilai%7
    print(input("今天是%s 未来是%s"%(weekend[today],weekend[new]))
def start():
    week()
start()  

4.
def sum (a,b,c):
    d = [a,b,c] 
    d.sort()
    for i in d:
        print(i)
def sum1(a,b,c):
    a = int(input('请输入第一个整数'))
    b = int(input('请输入第二个整数'))
    c = int(input('请输入第三个整数'))
    sum (a,b,c)
sum1 ('a','b','c')

5.
def main():
    weight1 = float(input('Enter weight1:'))
    price1 = float(input('Enter price1:'))
    weight2 = float(input('Enter weight2:'))
    price2 = float(input('Enter price2:'))
    bijiao1 = weight1 / price1
    bijiao2 = weight2 / price2
    if bijiao1 > bijiao2:
        print('first best')
    elif bijiao1 == bijiao2:
        print('same best')
    else:
        print('second best')
def start():
    main()
start()    

6.
def main():
    year = int(input("输入年:"))
    month = int(input("输入月:"))
    if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0):
        day2 = int('29')
    else:
        day2 = int('28')
    if month == 1 or month == 3 or month == 5 or month == 7 or month == 8 or month ==10 or month == 12:
        day = int('31')
    elif month == 4 or month == 6 or month == 9 or month == 11:
        day = int('30')
    else:
        day = day2
    print('%d年%d月有%d天'%(year,month,day))
def Start():
    main()
Start()            

7.
def main():
    import random
    com = random.randint(1,2)
    user = int(input("1为正面，2为反面，请输入值："))
    if com == user:
        print('True')
    else:
        print('Flase')
def start():
    main()
start()        

def main():
    import random
    user = int(input("剪刀（0），石头（1），布（2）："))
    comp = random.randint(0,2)
    print(comp)
    if (user == 1 and comp == 0) or (user == 0 and comp == 2) or (user == 2 and comp == 1):
        print('Win')
    elif user == comp:
        print('same')
    else:
        print('loser')    
def start():
    main()
start()    

def main():
    year = int(input('输入哪一年：'))
    m = int(input('输入年份1-12：'))
    d = int(input('输入月份第几天1-31：'))
    a = ['周六','周日','周一','周二','周三','周四','周五']
    if m == 1:
         m = 13
         year = year - 1
    if m == 2:
        m == 14
        year = year - 1
    h = int(d+((26*(m+1))//10)+(year%100)+((year%100)/4)+((year//100)/4)+5*year//100)%7
    day = a[h]
    print('那一天是一周中的：%s'%day)
def start():
    main()
start()     

10.
def chou():
    import numpy as np
    shu = np.random.choice(["ace",2,3,4,5,6,7,8,9,10,"jack","queen","king"])
    hua = np.random.choice(["梅花","红桃","方块","黑桃"])
    print('你选择的牌是',hua,shu)
def start():
    a = input("是否决定抽牌y/n:")
    if a == 'y':
        chou()
    else:
        pass
start()

11.
def main():
    a = int(input('请输入一个整数：'))
    b = a
    a2 = 0
    while b > 0:
        a2 *= 10
        a2 += b % 10
        b //= 10
    if a == a2:
        print('%d是回文数' % a)
    else:
        print('%d不是回文数' % a)
def start():
    main()
start()

12.
def main():
    a = float(input('请输入第一条边长:'))
    b = float(input('请输入第二条边长:'))
    c = float(input('请输入第三条边长:'))
    if (a + b) > c and (a + c) > b and (b + c) > a :
        L = a + b + c
        print("周长为", L)
    else:
        print('周长不合法的')  
def start():
    main()
start()