where N is the running time of do_something(). To run exactly every 60 seconds, use the interleaving pattern from above: async def minute_loop2(): while True: nxt = gen.sleep(60) # Start the clock. await similar Queue classes in asyncio) implements an asynchronous producer / consumer pattern for coroutines, analogous to the pattern implemented for threads by the Python standard library’s queue module. A coroutine asyncio.run(main()) The main coroutine Beginning with Tornado 6.2 and Python 3.10, the recommended pattern for starting a Tornado application is to create a main coroutine to be run with asyncio.run. (In

where N is the running time of do_something(). To run exactly every 60 seconds, use the interleaving pattern from above: async def minute_loop2(): while True: nxt = gen.sleep(60) # Start the org/3/library/asyncio.html#module-asyncio]) implements an asynchronous producer / consumer pattern for coroutines, analogous to the pattern implemented for threads by the Python standard library’s queue [https://docs asyncio.run(main()) The main coroutine Beginning with Tornado 6.2 and Python 3.10, the recommended pattern for starting a Tornado application is to create a main coroutine to be run with asyncio.run [https://docs

section. 7.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of explained in this excerpt from the perlre manpage:CHAPTER 7. STRINGS 62 i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

section. 7.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of explained in this excerpt from the perlre manpage:CHAPTER 7. STRINGS 62 i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

63 8.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of as they do in Perl, as explained in this excerpt from the perlre manpage: i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

63 8.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of as they do in Perl, as explained in this excerpt from the perlre manpage: i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

63 8.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of as they do in Perl, as explained in this excerpt from the perlre manpage: i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

63 8.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of as they do in Perl, as explained in this excerpt from the perlre manpage: i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

63 8.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of as they do in Perl, as explained in this excerpt from the perlre manpage: i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale

63 8.9 Regular Expressions Sometimes you are not looking for an exact string, but a particular pattern. For example, suppose you are trying to extract a single date from a large text file. You don’t RegexMatch object. These objects record how the expression matches, including the substring that the pattern matches and any captured substrings, if there are any. This example only captures the portion of as they do in Perl, as explained in this excerpt from the perlre manpage: i Do case-insensitive pattern matching. If locale matching rules are in effect, the case map is taken from the current locale