Need assistance with syntax errors two python scripts:

tester:

cat testdata2.txt | python kmeansMapper.py | sort | python kmeansReducer.py

#kmeansReducer.py

#!/usr/bin/python

import sys

currId = None # this is the “current” key

currXs = []

currYs = []

id = None

# The input comes from standard input (line by line)

for line in sys.stdin:

    line = line.strip()

    ln = line.split('t')

    id = ln[0]

if currId == id:

    currXs.append(float(ln[1]))

    currYs.append(float(ln[2]))

else:

  if currId:

    #calculate center

    centerX = sum(currXs)/len(currXs)

    centerY = sum(currYs)/len(currYs)

    print '%s %s %s %s' % (centerX, centerY, currId, zip(currXs, currYs))

    currXs = []

    currYs = []

currId = id

currXs.append(float(ln[1]))

currYs.append(float(ln[2]))

# output the last key

if currId == id:

    #calculate center

    centerX = sum(currXs)/len(currXs)

    centerY = sum(currYs)/len(currYs)

    print '%s %s %s %s' % (centerX, centerY, currId, zip(currXs, currYs))

and

cat testdata2.txt | python kmeansMapper.py | sort | python kmeansReducer.py

kmeansMapper.py

#!/usr/bin/python

import sys

import math

fd = open('centers.txt', 'r')

centers = []

for line in fd:

    line = line.strip()

    vals = line.split('')

    centers.extend([vals])

fd.close()

for line in sys.stdin:

    line = line.strip()

    vals = line.split('')

    clusterNum = None

    distance = None

    i = 0

    #compare to each center and store the smallest distance

    for center in centers:

        euclidDist = math.sqrt((float(vals[0])-float(center[0]))**2 + (float(vals[1])

if clusterNum:

            if euclidDist

                clusterNum = i+1

                distance = euclidDist

        else: #always record the first cluster

            clusterNum = i+1

            distance = euclidDist

        i += 1

print clusterNum, 't', vals[0], 't', vals[1]

Dataset = testdata2.txt = {32 45, 23 67, 98 09, 56 87, 13 65, 87 67, 90 78,…}

Dataset = centers.txt = {4 32,55 20, 39 8,17 11 }

what's your question??? Yest it is a mapper and a reducer scripts

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