draw graph with numpy and matplotlib

graph1.py

from matplotlib import pyplot as plt 
from matplotlib import style

import numpy as np 

# print(style.available)
#['seaborn-colorblind', 'seaborn-poster', 'grayscale', 'ggplot', 'seaborn-darkgrid', 'seaborn', 'seaborn-ticks', 'seaborn-white', 'seaborn-notebook', 'seaborn-whitegrid', 'seaborn-dark-palette', 'bmh', 'dark_background', 'seaborn-dark', 'seaborn-pastel', 'seaborn-muted', 'seaborn-paper', 'seaborn-talk', 'classic', 'seaborn-deep', 'seaborn-bright', 'fivethirtyeight']

style.use('ggplot')
x,y = np.loadtxt('data.csv',unpack=True,delimiter=',')
""" data.csv
1,20
2,30
3,40
4,10
5,20
6,30
7,40
8,10
9,20
10,30
11,40
12,10
"""


plt.plot(x,y)
plt.title('Epic Chart')
plt.ylabel('Y Axis')
plt.xlabel('X Axis')

plt.show()