open applications by python
dir = 'C:\\myprogram.exe'
import os
os.startfile(dir)
os.system(dir)
import subprocess
subprocess.Popen([dir])
subprocess.call(dir)open applications by python
dir = 'C:\\myprogram.exe'
import os
os.startfile(dir)
os.system(dir)
import subprocess
subprocess.Popen([dir])
subprocess.call(dir)python write to file
with open(filename,"w") as f:
f.write('Hello World')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 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()py file open with
with open('output.txt', 'w') as file: # Use file to refer to the file object
file.write('Hi there!')with open python
#pystyle
with open("test.txt", encoding = 'utf-8') as f:
file = f.read()
#classic
file = open("file.txt")
file.close()Copyright © 2021 Codeinu
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