Making a scatter plot in python by importing data from a csv file.

plotgraph.py

import numpy as np
import matplotlib.pyplot as plt

# importing data from csv file
xs, ys, zs = np.loadtxt("data.txt", unpack=True, delimiter=",", dtype=float, skiprows=0)

# labels
plt.xlabel("No. of PT-CT Pairs per Distinguisher")
plt.ylabel("lg2(T(N))")
plt.title("Lower Bound on Time Complexity of Single and Double Distinguisher Attack")

# plotting
plt.plot(xs, ys, color='blue', label='Single Distinguisher Attack', linestyle='-')
plt.plot(xs, zs, color='rede', label='Double Distinguisher Attack', linestyle='-')
plt.show()