【python】模擬轉盤抽獎程序

import randomn1=0n2=0n3=0n4=0n5=0def choujiang(n):    for k,v in grades.items():        if v[0] <= n < v[1]:            return kgrades = {'一等獎':(0,5),'二等獎':(5,15),'三等獎':(15,30),'四等獎':(30,50),'謝謝參與':(50,200)}cishu=int(input('請輸入你的抽獎次數：'))for i in range(cishu):    n=random.randint(1,200)    if choujiang(n)=='一等獎':        n1+=1    elif choujiang(n) == '二等獎':        n2+=1    elif choujiang(n) == '三等獎':        n3+=1    elif choujiang(n) == '四等獎':        n4+=1    else:        n5+=1     print('抽到一等獎{}次,二等獎{}次，三等獎{}次，四等獎{}次，謝謝參與{}次'.format(n1,n2,n3,n4,n5))print('一等獎概率為{:.0%},二等獎概率為{:.0%},三等獎概率為{:.0%},四等獎概率為{:.0%},謝謝參與概率為{:.0%}'\      .format((n1/cishu),(n2/cishu),(n3/cishu),(n4/cishu),(n5/cishu)))