import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/uiuc-cse/data-fa14/gh-pages/data/iris.csv")

# show the data type in the dataframe and the names of the columns imported if any
df.dtypes
#show the headings with data
df.head()
# a list of columns
df.columns
# a list of statistics per column
df.describe()
# the mean or median only
df.mean()
df.median()