How to program for file handling in python


How to program for file handling in python.


  1. # Program to show various ways to read and
    # write data in a file.
    file1 = open("myfile.txt","w")
    L = ["This is Delhi \n","This is Paris \n","This is London \n"]
    # \n is placed to indicate EOL (End of Line)
    file1.write("Hello \n")
    file1.writelines(L)
    file1.close() #to change file access modes
    file1 = open("myfile.txt","r+")
    print "Output of Read function is "
    print file1.read()
    print
    # seek(n) takes the file handle to the nth
    # bite from the beginning.
    file1.seek(0)
    print "Output of Readline function is "
    print file1.readline()
    print
    file1.seek(0)
    # To show difference between read and readline
    print "Output of Read(9) function is "
    print file1.read(9)
    print
    file1.seek(0)
    print "Output of Readline(9) function is "
    print file1.readline(9)
    file1.seek(0)
    # readlines function
    print "Output of Readlines function is "
    print file1.readlines()
    print
    file1.close()

OutPut:-




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