python - save file

file = open(“testfile.txt”,”w”) 
 
file.write(“Hello World”) 
file.write(“This is our new text file”) 
file.write(“and this is another line.”) 
file.write(“Why? Because we can.”) 
 
file.close() 

def save_to_file(content, filename):
    with open(filename, 'w') as file:
        file.write(content)

import file_operations
file_operations.save_to_file('my_content', 'data.txt')

with open('filename', 'a') as f: # able to append data to file
	f.write(var1) # Were var1 is some variable you have set previously
	f.write('data') 
	f.close() # You can add this but it is not mandatory 

with open('filename', 'r') as f: # able to read data from file ( also is the default mode when opening a file in python)

with open('filename', 'x') as f: # Creates new file, if it already exists it will cause it to fail

with open('filename', 't') as f: # opens the file in text mode (also is defualt)

with open('filename', 'b') as f: # Use if your file will contain binary data
  
with open('filename', 'w') as f: # Open file with ability to write, will also create the file if it does not exist (if it exists will cause it to fail)
  
with open('filename', '+') as f: # Opens file with reading and writing

# You can combine these as you like with the + for reading and writing

with open('data.txt', 'w') as my_data_file:
   my_data_file.write(WhateverYourInputIs)
# After leaving the above block of code, the file is closed
# "w" overwrites the contents of the file

for i in range(10):
     f.write("This is line %d\r\n" % (i+1))