Python matplotlib read data from files to draw scatter plots

Example Description: Reading data from a file, drawing a scatter chart

#coding: Utf-8
import matplotlib.pyplot as Plt
import numpy as NP
import matplotlib as MPL
mpl.rcparams[ ' font.family '] = ' sans-serif '
mpl.rcparams[' font.sans-serif '] = ' nsimsun,times New Roman '

x, y = Np.loadtxt (' Data.txt ', delimiter= ', ', Unpack=true '
plt.plot (x,y, ' + ', label= ' POW algorithm ', color= ' black ')

Plt.xlabel (' difficulty value ')
Plt.ylabel (' time ')
plt.title (' pow-consensus hash puzzle resolution timetable ')
plt.legend ()
plt.show ()

Results: