部分界面如图 a所示,请在程序划线处填入合适的代码。

图 a

f = open("疫苗接种.txt","r") #打开文件
Vac_T={"语文组":0,"数学组":0,"英语组":0,"物理组":0,"化学组":0,"生物组":0,"政治组
":0,"历史组":0,"地理组":0,"技术组":0,"体音美组":0,"后勤组":0,"政教组":0}
Vac_F={"语文组":0,"数学组":0,"英语组":0,"物理组":0,"化学组":0,"生物组":0,"政治组":0,"
历史组":0,"地理组":0,"技术组":0,"体音美组":0,"后勤组":0,"政教组":0}
zrs=0 #接种人数初始化
zu_max=0
line=f.readline() #从文件中读取一行
while line: #当 line 非空
data=line.split() #以空格分隔转换成列表
line=f.readline()
print(list[:5])
print("--------------------------------------------")
f.close() #关闭文件
num=len(list)
for i in range(num):
line_list=list[i] #遍历每一个列表元素
if line_list[3]=="是":
else:
Vac_F[line_list[1]]+=1
for i in Vac_T:
zu_per=Vac_T[i]/(Vac_T[i]+Vac_F[i]) #各组接种比例
if zu_per>zu_max:
zu_max=zu_per
zu=i
tot_per=int(zrs/num*10000+0.5)/100 #全校接种比例,结果四舍五入
print("各组接种人数:",Vac_T)
print("各组未接种人数:",Vac_F)
print("全校接种比例:",tot_per)
print("接种疫苗比例最高的组:",zu)

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

