Open = F ( ' name.txt ' , MODE = ' W ' ) # open a file, the file is automatically created when the system does not exist. # Parameter name filename, mode mode. # W r can only read operation of writing to a file addition # W + r + readable and writable read-write read and append a + # WB + writing binary data # W mode opens the file, if the file data is written as again will overwrite the original f.write ( ' Hello Word Hello \ n- ' ) # write write f.writelines ([ ' Hello \ n- ' , ' World \ n- ' , ' Hello \ n' , ' World \ the n- ' ]) # writelines () function will list a string to the file, but does not wrap, wrap, if desired, add manual line breaks # parameters must be stored only in a string list f.close () # close the file
# Use r mode opens the file, do read the file operation # open the file mode, the default mode is r, if only to read the file, you can not fill mode mode f = Open ( ' name.txt ' , mode = ' r ' ) # read (int) function to read the file contents. If you specify a read length, will follow to read length, all of the data is not specified the default read Content = reached, f.read (10 ) Print (Content) # the readline (int) function reads the default file a line of data content = f.readline ( 10 ) Print (Content) # data the readlines () in each line will return to the list as an element, all the read data lines Contents = f.readlines () Print (Contents) f.close