How to use File Action in Python

The below code begins by open a new txt file for O/P and write a lines  and close the file

Code:Write txt in file

>>>file=open(file.txt','w')
>>>file.write('hello python\n')
12
>>>file.write('python is programme best language')
33
>>>file.close()

Code :read txt in the file

>>>file=open('file.txt')
>>>file.readline()

'hello python\n'

>>file.readline()

'python is programme best language'

Read all at once string

>>>open('file.txt').read()

Output:

'hello python\npython is programme best language'    //output is in friendly so we use

>>>print (open('file.txt').read())

hello python
python is programme best language                  //user-friendly display

If you want to scan a txt file line by line

>>>for line in open('file'):
...        print(line, end= ' ')

hello python
python is programme best language