vikas

1       42.5340919495   4.22926330566
2       41.3636322021   2.87980079651
3       38.7423553467   3.40052604675
4       36.631401062    2.33657073975
5       35.0620422363   3.57421207428
6       34.4545860291   5.10775852203
7       32.3350334167   6.14320468903

-------------------------------------------
Code :


import matplotlib.pyplot as plt
import os
import numpy as np
from matplotlib import pyplot

with open("output.dat", "r") as f:
    x = []
    y = []
    z = []
    for line in f:
        row = line.split()
        x.append(float(row[0]))
        y.append(float(row[1]))
        z.append(float(row[2]))

x = np.asarray(x)
y = np.asarray(y)
z = np.asarray(z)