Question

Write the use and syntax for the following methods: 

a) open() 

b) read() 

c) seek() 

d) dump()

Answer 1

a) open( ) is use for excess file in read, write and append mode . 

Syntax :-

    <variable> = open( <file name> , <mode of open of file >)
   
    or
   
    with open ( <file name> , <mode of open of file > ) as <variable> :
 
b) read() function is use for reading the data of files . 

Syntax :-

    <file>.read( < number of character > )
   
c) seek( ) is use for change the position of pointer . 

Syntax :-
   
    <file object >. seek ( offset [,mode] )
   
d) dump() function is use for writing in binary file. 

Syntax :-
   
    pickle,dump( <object to be written > , < file handle>)