This repository consists of following documents:
 -> 'main.py' is formed by top-level code to start language check.
 -> 'Language_Check.py' consists of the following fucntions:
   - 'lang_error_check': This function checks whether there is a syntax/symbol that gives error for language check with 'langdetect'.
   - 'langcheck': The function implies language check for the tweets.
 -> 'test_LanguageCheck_pytest.py' consists of unit tests written with 'pytest'.
 -> 'test_LanguageCheck_unittest.py' consists of unit tests written with 'unittest' library.
 -> 'test_main_pytest.py' consists of tests for main.py written with 'pytest'.
 -> 'test_main_unittest.py' consists of tests for main.py written with 'unittest' library.