As with spoken languages, computer languages have their own lexicon of terms. There is a set of keywords used in nearly all modern programming languages. If, else, while, for, break, etc., are some of the most frequently used keywords in virtually all high-level programming languages. These words are referred to as python reserved keywords. In computer programming, keywords have established meanings. It is impossible to place a monetary value on keywords.
Source: https://insideaiml.com/blog/Keywordsand-Identifiers-in-Python-1143