in this function is f a variable? in what other way can we write this function? why does mode not work in this function? def process_lines(filename, mode): # Actually this is function is used to read the file line by line with open(filename, 'r') as f: # file opened msg = f.read() # read the message return msg # return message
in this function is f a variable? in what other way can we write this function? why does mode not work in this function?
def process_lines(filename, mode): # Actually this is function is used to read the file line by line
with open(filename, 'r') as f: # file opened
msg = f.read() # read the message
return msg # return message
def write_lines(lines): # function to write some into message
with open('results.txt', 'w') as f: # open the text file
f.writelines(lines) # write some line
print("Output written to results.txt") # print the output
what does os.path do?
def check_file_exists(filename): # check weather this file is exist or not to avoid exception
from os.path import exists # import library of exist
file_exists = exists(filename) # if file exist
return file_exists
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