With open python

Python file open

#there are many modes you can open files in. r means read.
file = open('C:\Users\yourname\files\file.txt','r')
text = file.read()

#you can write a string to it, too!
file = open('C:\Users\yourname\files\file.txt','w')
file.write('This is a typical string')

#don't forget to close it afterwards!
file.close()

Python with file.open

# Reference https://docs.python.org/3/library/functions.html#open

# Method 1
file = open("welcome.txt", "r") # mode can be r(read) w(write) and others 
data = file.read()
file.close()

# Method 2 - automatic close
with open("welcome.txt") as infile:
  data = file.read()

Python file reading

fin = open("NAME.txt", 'r')
body = fin.read().split("\n")
line = fin.readline().strip()

Open applications by python

dir = 'C:\\myprogram.exe'

import os
os.startfile(dir)
os.system(dir)

import subprocess
subprocess.Popen([dir])
subprocess.call(dir)

Source: stackoverflow.com

With open python

#pystyle
with open("test.txt", encoding = 'utf-8') as f:
  file = f.read()
#classic
file = open("file.txt")
file.close()

Source: programiz.com

Py file open with

with open('output.txt', 'w') as file:  # Use file to refer to the file object

    file.write('Hi there!')

Source: pythonforbeginners.com

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