HackerRank Zipped! problem solution in python

In this Zipped! problem The National University conducts an examination of N students in X subjects. Your task is to compute the average scores of each student.

Problem solution in Python 2 programming.

N,X = map(int,raw_input().split())
marks = []

for i in xrange(X):
    marks.append(map(float,raw_input().split()))
    
for studentScores in zip(*marks):
    print sum(studentScores)/len(studentScores)

Problem solution in Python 3 programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT
n, x = map(int, input().split()) 

sheet = []
for _ in range(x):
    sheet.append( map(float, input().split()) ) 

for i in zip(*sheet): 
    print( sum(i)/len(i) )

Problem solution in pypy programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT
n, x = map(int, raw_input().split())
all_scores = [map(float, raw_input().split()) for _ in xrange(x)]

for student, score in zip(range(1, n+1), zip(*all_scores)):
    print sum(score)/x

Problem solution in pypy3 programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT
# Enter your code here. Read input from STDIN. Print output to STDOUT
num_of_std,num_of_sbj=map(int,input().split())

all_scores=[]
for _ in range(num_of_sbj):
    all_scores.append(map(float,input().split()))
    
scores_by_std=zip(*all_scores)
avg_scores_by_std=[sum(scores)/num_of_sbj for scores in scores_by_std]
for avg_score in avg_scores_by_std:
    print(avg_score)