# Write a NumPy program to compute the line graph of a set of data.  
 import numpy as np    
import matplotlib.pyplot as plt
arr = np.random.randint(1, 50, 10)
y, x = np.histogram(arr, bins=np.arange(51))
fig, ax = plt.subplots()
ax.plot(x[:-1], y)
fig.show()
