import matplotlib.pyplot as plt
import pandas as pd
#Please adjust to your file
df=pd.read_excel("/Users/davidmika/Desktop/First.xlsx","Sheet1")
fig=plt.figure()
ax = fig.add_subplot(1,1,1)
#Here you can change bins, labels and title
ax.hist(df['Age'],bins = 7)
plt.title('Age distribution')
plt.xlabel('Age')
plt.ylabel('#Employee')
#Show histogram
plt.show()