test1.py

import pandas as pd

import matplotlib.pyplot as plt
%matplotlib inline

df = pd.read_csv("UNdata_Export_20190228_181628056.csv")

df.head()

df.tail()

df.head(1)

df.head(10)

df.shape

df.dtypes

df.sort_values(by='Year', ascending=False).head(3)

df.Value.sum()

round(df.Value.mean())

df.describe()