Python Set discard() method The set.discard() method in Python removes a specified element from the set (if present). Syntax

Parameter value- This parameter represents the element to be removed from the set. Return None Example 1

Output

## Python Set difference_update() method

Python Set difference_update() method The set.difference_update() method in Python removes the items that exist in both sets. Syntax

Parameter set- This argument represents a set (minuend) set1- This arguments represents a set(subtrahend) Return None Example 1

Output

## Second Generation of Computer

The period of the second generation was from (1959-1965). The transistor takes the place of the vacuum tubes in the second generation. The transistor was invented at Bell Labs in 1947. It was far superior to the vacuum tube. The …

## Third Generation of Computer

The period of the third generation was from 1965 – 1971.  The integrated circuits are used in the computers of the third generation. The transistors are not used in these computers. A single integrated circuit has many transistors, registers, and …

## Fourth Generation of Computer

The period of the fourth generation was from 1971- 1980. The (VLSI) huge scale integrated circuits are used in the computers of this generation. These circuits have 5000 transistors and other circuit elements. The computers of the fourth-generation become more …

## Fifth Generation of Computer

The period of the fifth generation is 1980-onwards. The VLSI technology develops into ULSI (ultra large scale integration) technology in the fifth generation. These are used in the production of microprocessor chips which have ten million electronic components. The fifth-generation …

## Python Set issubset() method

Python Set issubset() method The set.issubset() method in Python returns True if all items in the set exists in the specified set, otherwise it returns False. Syntax

Parameter set- This parameter represents the set to check whether it is …

## Python Set isdisjoint() method

Python Set isdisjoint() method The set.isdisjoint() method in Python returns a boolean value True if two sets are disjoint sets ( i.e. none of the elements are present in both sets), otherwise it returns False. Syntax

Parameter set- This …

## Python Set intersection_update() method

Python Set intersection_update() method The set.intersection_update() method in Python removes the items that is not present in both sets. It is different from the set.intersection() method, because the intersection()method returns a new set, with only  the common elements whereas the intersection_update() method removes the unwanted items from the …

## PHP bin2hex() Function | Convert Binary to Hexadecimal

PHP bin2hex() Function The bin2hex() function in PHP converts the specified string value of ASCII characters to hexadecimal value. Syntax

Parameter str(Required): This parameter represents the string to be converted into hexadecimal. Return  This function returns the hexadecimal representation …

PHP addslashes() Function The addslashed() function in PHP is used to return a string with backslashes in front of predefined characters. This function is only used with some characters which are as follows: single quote (‘) double quote (“) backslash …

The addcslashed() function in PHP is used to add quote string with slashes in a C style. It is case-sensitive function.  Syntax

Parameter str(required)– This parameter represents the string to be escaped. charlist(required)– This parameter signifies a character or …

## Python Set remove() method

Python Set remove() method The set.remove() method in Python removes the specified element from the set if it is present in the set else this method will raise an error if the specified item does not exist. Syntax

Parameter element- …

## Python Set pop() method

Python Set pop() method The set.pop() method in Python removes an arbitrary element (random item) from the set and returns the element removed. Syntax

Parameter NA Return This method returns an arbitrary (random) element from the set. Example 1 …

## Python Set issuperset() method

Python Set issuperset() method The set.issuperset() method in Python returns a boolean value True if all items in the specified set exists in the original set, else it returns False. Syntax

Parameter set- This parameter represents the main set. …

## Python Set union() method

Python Set union() method The set.union() method in Python returns a set that contains all items from the original set and all items from the specified sets. Syntax

Parameter set1- This parameter represents the first set to search for …

## Python Set symmetric_difference_update() method

Python Set symmetric_difference_update() method The set.symmetric_difference_update() method in Python updates the original set by removing items that are present in both sets and inserting the other items of the set. Syntax

Parameter set- This parameter represents the first set …

## Python Set symmetric_difference() method

Python Set symmetric_difference() method The set.symmetric_difference() method returns a new set, which is the symmetric difference of two sets. The returned set contains only the unique items and, hence, deleting the common elements of both the sets. Syntax

Parameter …

## Python Set update() method

Python Set update() method The set.update() method in Python updates the current set, by adding items from another set. If an element is common in both the sets, only one appearance of this item will be updated in the original …

## Python Set Methods

Python Set Methods A set is a collection which is unordered and unindexed. Python has a set of built-in methods that you can use on sets. Methods Description add() The set.add() method adds the specified element to the set clear() …