# coding = utf8
import matplotlib.pyplot as plt
import numpy as np
import scipy as sci

xdata = np.array(np.random.uniform(-1,1,50))
ydata = np.array(np.random.uniform(0,1,50))

fig,ax = plt.subplots()

#ax.set_title('premier exemple')
#ax.set_xlabel(' x axis')
#ax.set_ylabel(' y axis')

ax.plot(xdata,color='green', marker='X', linestyle='none',label='raw xdata')
ax.scatter(xdata,ydata, color='red')
#ax.legend()

plt.show()