<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?mikel arteta amekubali kuwa kocha mkuu wa arsenal baada ya kukosa kupata hakikisho kutoka kwa manchester city kwamba atakuwa mrithi wa pep guardiola katika uwanja wa etihad.  <response>: mikel arteta agreed to become arsenal head coach after failing to get assurances from manchester city that he would be pep guardiolas successor as manager at etihad stadium. 