variance.py

def variance(array):
    mean = sum(array) / len(array)
    distances = []
    for value in array:
        # appending square of distances
        distances.append(((value - mean)**2))
    return sum(distances) / len(distances)
  

input = [1,1,1,1,1,1,1,1,1,21]
v= variance(input)

# Output - 36