import numpy as np
import matplotlib.pyplot as plt

listl = []
x = 0  
while (x <= 100):
  value = 9.25**x
  s = str(value)
  v = int(s[0])
  listl.append(v)
  x = x+1
print listl

q = np.array(listl)
plt.hist(q,bins=9)
plt.show()