import matplotlib.pyplot as plt

population_ages = [22,55,62,45,21,22,34,42,42,4,99,102,110,120,121,122,130,111,115,112,80,75,65,54,44,43,42,48]

#ids = [x for x in range(len(population_ages))]

#plt.bar(ids, population_ages,label='Population')

bins = [0,10,20,30,40,50,60,70,80,90,100,110,120,130]

plt.hist(population_ages, bins, histtype='bar',rwidth=0.8,label='population')
plt.xlabel('X-axis')
plt.ylabel('Age')
plt.legend()
plt.show()
