Assignment-1

##1.list and its default functions
append()
      ->adds an element at the end of the list.
clear()
      ->removes all the elements from the list.
insert()
      ->adds an element at the specified position.
copy()
      ->returns a copy of the list.
remove()
      ->removes the particular element in the list.

##2.dictionaries and its default functions
    get()
        ->returns the value of the specified key.\n",
    keys()
        ->returns a list containing the dictionaries keys.\n",
    clear()
        ->removes all elements from the dictionary.\n",
    update()
        ->updates the dictionary with the specified key-value pairs.\n",
    values()\n
        ->returns a list of all the values in the dictionary."

##3.sets and its default functions.
add()
    ->adds an element to the set.
clear()
    ->removes all the elements from the set.
pop()
    ->removes and returns an arbitary set element.Raises KeyError if the set is empty.
remove()
    ->removes an element from the set.Raises KeyError if the set is empty.
update()
    ->update the set with the union of this set and others.
    

##4.tuple and its default methods.
count()
    ->returns the number of a times a specified value occurs in a tuple.
index()
    ->searches the tuple for a specified value and returns the position of where it was found.

    ***the above two methods are only used by tuple object can call.

len()
    ->prints the length of the tuple.
del
    ->this keyword deletes the tuple we have created.
    
    

##5.Strings and its default methods.
isalpha()
    ->this method checks whether the string consists of alphabetic characters only.
isalnum()
    ->this method checks whether the string consists of alphanumeric characters or not.
find()
    ->this methods returns the index value of the character,otherwise prints -1.
swapcase()
    ->this method returns a copy of the string in which all the case-based characters have had their case swapped.
in
    ->this method returns True if the string contains the substring.