finding_the_percentage_hackerranksolutions31.py

from statistics import mean
num = int(input())
names =[]
for i in range(0,num):
    names.append(list(map(str, input().split())))
data =[]
check_name = str(input())    
for i in range(0,num):
    if names[i][0]==check_name:
        data.append(names[i][1:])
        number =[]
        for i in range(0,len(data[0])):
            number.append(float(data[0][i]))
print("%.2f" % mean(number))