import matplotlib.pyplot as plt
fig,ax = plt.subplots()
cs=[380, 340, 350, 320, 330, 340, 360, 350]
plt.hist(cs,bins=range(320,400,10),rwidth=0.95)
ax.yaxis.set_major_locator(plt.MultipleLocator(1))
ax.xaxis.set_major_locator(plt.MultipleLocator(10))
fig.set_size_inches(4,2.5)
plt.savefig("figures/histogram1.eps")
plt.show()