unique-variable 1.0

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# Count unique characters

This package allows you to protect the unique characters that it receives at the entrance. Works with files and strings.

## Getting started

The program receives files as input, processes them and passes them to the script.

` parser.add_argument(’–word’, help=’Enter the string’) `

` parser.add_argument(’–file’, type=argparse.FileType(‘r’)) `

` arguments = parser.parse_args() `

## Function run_function The function receives an object as an input and determines the type, transfers the data to a specific function.

_args - object witch is the result of parser.parse_args()_

Returns the number of unique characters

## Function count_letter

Counts unique letters from given string. To speed up the work, the function has a cache, which, in case of repetition of input data, returns a ready value.

_word - input string _

Returns <int> the number of unique characters

## Function count_letter_in_file

Function read string from file

_file -input file objects _

Returns the result of function _count_letter_ or None, when file is not valid No newline at end of file