Write to file using print

print_2_file.py

#Trying to understand the benefit of this method of writing to a file...

def main():
    fname = input("Enter filename: ")
    dfname = input("Destination Filename: ")
    infile = open(fname, "r")
    outfile = open(dfname, "a")
    data = infile.read()
    print(data)
    infile.close()
    print(data, file=outfile)
    print("This is a new line\n\n", file=outfile) 
    outfile.close()


'''
In [24]:  cat test001.txt                                                                                                                        
This is a test file.

line 2
line 3

line 4

end


In [20]: main()                                                                                                                                  
Enter filename: test001.txt
Destination Filename: test003.txt
This is a test file.

line 2
line 3

line 4

end



In [21]: ls -l                                                                                                                                   
total 12
-rw-r--r-- 1 pi pi 50 Nov  8 09:54 test001.txt
-rw-r--r-- 1 pi pi 51 Nov  8 10:07 test002.txt
-rw-r--r-- 1 pi pi 72 Nov  8 10:11 test003.txt

In [22]: cat test003.txt                                                                                                                         
This is a test file.

line 2
line 3

line 4

end


This is a new line


'''