# Write a Python program to find the missing number in a given array of numbers between 10 and 20.  
 import array as arr
def test(nums):
    return sum(range(10, 21)) - sum(list(nums))

array_num = arr.array('i', [10, 11, 12, 13, 14, 16, 17, 18, 19, 20])
print("Original array:")
for i in range(len(array_num)):    
    print(array_num[i], end=' ')
print("\nMissing number in the said array (10-20): ",test(array_num))
 
array_num = arr.array('i', [10, 11, 12, 13, 14, 15, 16, 17, 18, 19])
print("\nOriginal array:")
for i in range(len(array_num)):    
    print(array_num[i], end=' ')
print("\nMissing number in the said array (10-20): ",test(array_num))
