Draw data histogram for all data set

+# -*- coding: utf-8 -*-
+"""data_histogram_dataset.ipynb
+
+Automatically generated by Colaboratory.
+
+Original file is located at
+    https://colab.research.google.com/drive/16Rn0IDJTE6vJMOZtafDAI19AvGD9eK4C
+"""
+
+import pandas as pd
+import matplotlib.pyplot as plt
+
+df = pd.read_excel('/content/drive/MyDrive/2d-slice-set-networks-for-brain-age-master/data/IXI0609.xls', usecols=['age_at_scan'])
+
+print(df.describe())
+
+plt.hist(df['age_at_scan'])
\ No newline at end of file