# def avg_score(a,b,c,d):
#     total_sum=a+b+c+d  
#     total =total_sum/4
#     print(total)
#     if total >=50:
#         print ('Well done')
#     else:
#         print ('Redo exam')

    
# avg_score(50,60,70,60)


# def avg_score(a,b,c,d):
#     total_sum=a+b+c+d  
#     average =total_sum/4
#     print(average)
#     if average >=50:
#         print ('Well done,')
#     else:
#         print ('Redo exam')
    

    
# avg_score(50,60,70,60)


# total = 0
# for num in  



# n = 2
# while n <=10:
#     if n % 2 == 0:
#         print(n)
#     n = n+1

# n= 0
# while n <= 100:
#     if n % 5 == 0:
#         print(n)
#     n = n + 1