MacLogger script takes a log with comma separated coordinates and measures the distances

MacLogger script

#stop alle posities in een lijst
positions0 = []
data = open("log2.txt","r")  
for line in data:
    position = line.replace('\n','').split(',')
    positions0.append(position)
data.close

#print de lijst, maximale grootte: 536,870,912 items
positions1 = positions0

total = 0

logfile = open("log3.txt", "a")
for position in positions0:
    position1 = positions1.pop(0)
    x1 = int(position1[0])
    y1 = int(position1[1])
    position2 = positions1.pop(0)
    x2 = int(position2[0])
    y2 = int(position2[1])    
    logfile.write(str(x1) +','+ str(y1) +','+ str(x2) +','+ str(y2) + '\n')
    #use pythagoras to get the distance between each measurement
    distance = ((x1 - x2)**2 + (y1 - y2)**2)**.5
    
    #put position 2 back so we can use it again for the next loop
    positions1.insert(0, position2)
    
    total = total + distance

logfile.close()
print total