<prompt> Ke puo efe e tsebahalang haholo ea mananeo ho tloha ka 2021?nan  <response>: Instruction in English: Which is the most popular programming language as of 2021? . Response in English: According to the TIOBE index, as of September 2021, the most popular programming language is C followed closely by Java and Python. Keep in mind that the popularity of programming languages can vary depending on different metrics and sources. . Response in Sesotho: Ho latela index ea TIOBE, ho tloha ka Loetse 2021, puo e tsebahalang haholo ea lenaneo ke C e lateloang haufi-ufi ke Java le Python. Hopola hore ho tsebahala ha lipuo tsa mananeo ho ka fapana ho latela metrics le mehloli e fapaneng. 