Simple algorithm to calculate distance between two vectors

'Takes two comma seperated inputs of your vectors
'Make sure they are the same length before passing them
Function GetScore(byval sequence1 as string, byval sequence2 as string) as double



     'double for decimal precision
     dim sequence1exploded() as double = explode(sequence1,",")
     dim sequence2exploded() as double = explode(sequence2,",")
     dim arrayofscores(sequence1exploded.length) as double
     dim counter as integer
     dim runningTotal as double = 0

     for counter = 1 to sequence1exploded.length
          arrayofscores(counter) = sequence1exploded(counter) - absolutevalue(sequence2exploded(counter))
     next counter

     for counter = 1 to arrayofscores.length
          runningTotal += arrayofscores(counter)
     next counter

     GetScore = runningTotal / arrayofscores.length

double computeAverageDistance(Vector sequence1, Vector sequence2) {
     double sum = 0.0;
     
     for (int index=0; index<sequence1.length; index++) {
          sum = sum + AbsoluteValue( sequence1[index] - sequence2[index] );
     }
     
     return sum / sequence1.length;
}

double computeRMSDistance(Vector sequence1, Vector sequence2) {
     double sum = 0.0;
     
     for (int index=0; index<sequence1.length; index++) {
          sum = sum + ( sequence1[index] - sequence2[index] )^2;
     }
     
     return (sum / sequence1.length)^0.5;
}

double computeEuclideanDistance(Vector sequence1, Vector sequence2) {
     double sum = 0.0;
     
     for (int index=0; index<sequence1.length; index++) {
          sum = sum + ( sequence1[index] - sequence2[index] )^2;
     }
     
     return sum^0.5;
}

import math

#fileName = raw_input("enter a filename that contains two vectors of equal length: ?")
fileName = "vectoren.txt"

#Loads file and vectors
fileContent = open(fileName, "r")
data = fileContent.readlines()

#Makes vectors into lists (previously read as strings)
Vector1 = data[0].split(",")
Vector2 = data[2].split(",")

#Check whether both vectors have the same length
if len(Vector1)!= len(Vector2):
    print "Error: unequal lengths, distance calculation not possible"
    quit

#Loop through them, remove instances that are '0' in both
limit = len(Vector1)
index = 0
tempVector1 = []
tempVector2 = []

while index < limit:
    temp1 = Vector1[index]
    temp2 = Vector2[index]
    
    if (float(temp1) != 0 or float(temp2) != 0):
            tempVector1.append(temp1)
            tempVector2.append(temp2)
     
    index = index + 1

    
#Rename the temp ones
Vector1 = tempVector1
Vector2 = tempVector2

#Loop through the remaining instances, calculate mean root square distance
index = 0
limit = len(Vector1)
avgScore = 0

while index < limit:
    value1 = float(Vector1[index])
    value2 = float(Vector2[index])
    avgScore = avgScore + pow(float(value1-value2), 2)
    index = index + 1

print pow((avgScore/len(Vector1)), 0.5)