#Arrays
"""
insert, append, extend
=======================

INSERT: adds a new value at a specific location
array.insert(index, value)

APPEND: just adds another value to the en of the array
array.append(value)

EXTEND: used to add many values to an array.  You can even add an entire array
        to the end of another array
        
array.extend(values)
array.extend(anotherArray)
"""
ar = ['a', 'b', 'c']

#ar.insert(1, 'z')
#ar.append('g')

ar2 = ['j', 'l', 'm']

ar.extend(ar2)

for i in range(0 , len(ar)):
    print(i , " ",ar[i])


marks = []

numMarks = 10
"""
for i in range(0, numMarks):
    marks.append(int(input("Gimme!")))
"""
marks = [23,35,24,44,53,62,72,71,89,13]

print(marks)

#To get the average
#Calculate the sum, divide by the total number of marks


sumSoFar = 0
howMany = 10

for i in range(0,10):
    sumSoFar = sumSoFar + marks[i]

average = sumSoFar / howMany

print(average)