x = open("filename.txt", "r")
print(x.read()) #if file is a txt file this will print the text
#Make sure the file is in the same directory as were your python file is opened in.
#you can also make a var out of your text by doing:
var = x.read() #or
var = open("filename.txt", "r").read()

import os
my_computer = os.startfile("C:") # here c drive open this variable
print(my_computer)

# Open function to open the file "MyFile1.txt" 
# (same directory) in append mode and
file1 = open("MyFile.txt","a")
  
# store its reference in the variable file1 
# and "MyFile2.txt" in D:\Text in file2
file2 = open(r"D:\Text\MyFile2.txt","w+")

spv = open("example.txt", "r")
print(spv.red())
# r, is to make the file readable but you can have more like: a - w - x - t - b

import os
os.system('filename.extension')

file1 = open("SofthuntFile1.txt","a")
file2 = open(r"D:\Python\Text\SofthuntFile2.txt","w+")