Reading files and open files in Python

 import pandas as pd

import matplotlib.pyplot as plt

import numpy as ny

import urllib.request

url = 'https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBMDeveloperSkillsNetwork-PY0101EN-SkillsNetwork/labs/Module%204/data/example1.txt'

filename = 'example1.txt'

urllib.request.urlretrieve(url, filename)

with open("example.txt","r") as file1:

    file_stuff = file1.read()

    print(file1.read(4))

print(file_stuff)

   examp2 = '/Example2.txt'

with open(examp2,'w') as writefile:

    writefile.write('This is a lineA and B')

with open(examp2,'r') as readfile:

    file1 = readfile.read()

    print(file1)

with open(examp2,'w') as file1:

    file1.write('what and era')

    file2 = file1.write('A communist\n should go back\n from our country')

with open(examp2,'r') as newfile:

    print(newfile.read())

!pip install xlrd

!pip install openpyxl

import pandas as pd

list1={'a':[11,13,14,15],'b':[43,45,34,23]}

df=pd.DataFrame(list1)

df.head(3)

x=df['a','b']

df.ix[0,0]

df.ix[0,1]

df.ix[2,1]

z=df.ix[0:2,0:3]

df['released'].unique()

csv_path = 'https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBMDeveloperSkillsNetwork-PY0101EN-SkillsNetwork/labs/Module%204/data/TopSellingAlbums.csv'

df=pd.read_csv(csv_path)

df.head(5)