import pandas as pd

df_txt = pd.read_table("http://kanggc.iptime.org/book/data/sample1-1.txt")
df_txt
df_txt.info()

df_csv = pd.read_csv("http://kanggc.iptime.org/book/data/csv_sample1.csv")
df_csv
df_csv.head()

df_dta = pd.read_stata("http://kanggc.iptime.org/book/data/chap11-3-2.dta")
df_dta

df_xls = pd.read_excel("http://kanggc.iptime.org/book/data/score.xlsx")
df_xls