The task of a tokenizer is to break a stream of characters into separated words and cat egorize each word. Now, try to make a toke nizer using any method as you like. It shoul d be able to process inputs such as: (1) a = a +1; (2) if(a<=b){a++;} (3) a = "a <= b"; requirement: identify a word and categorize each word as identifier, constant, keyword, operator, or separator. For eaxample: Input: a = a + 1; Output: (identifier, a) (operator, =) (identi fier, a) (operator, +) (constant, 1)

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Hash Table

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of associative array. It keeps data in an array format, with a distinct index value for every data value. If the index of the required data is known, then the data can be accessed very easily.