Format output string, right alignment
I am processing a text file containing coordinates x, y, z
string-formatting
f-strings vs str.format()
I’m using the .format() a lot in my Python 3.5 projects, but I’m afraid that it will be deprecated during the next Python versions because of f-strings, the new kind of string literal.
Format a datetime into a string with milliseconds
How can I format a datetime object as a string with milliseconds?
Best way to format integer as string with leading zeros?
I need to add leading zeros to integer to make a string with defined quantity of digits ($cnt). What the best way to translate this simple function from PHP to Python: function add_nulls($int, $cnt=2) { $int = intval($int); for($i=0; $i<($cnt-strlen($int)); $i++) $nulls .= '0'; return $nulls.$int; } Is there a function that can do this? … Read more
How can I convert 24 hour time to 12 hour time?
I have the following 24-hour times:
How to left align a fixed width string?
I just want fixed width columns of text but the strings are all padded right, instead of left!!?
How to convert escaped characters?
I want to convert strings containing escaped characters to their normal form, the same way Python’s lexical parser does:
String with ‘f’ prefix in python-3.6
I’m trying out Python 3.6. Going through new code, I stumbled upon this new syntax:
Format string unused named arguments
Let’s say I have: action = '{bond}, {james} {bond}'.format(bond='bond', james='james') this wil output: 'bond, james bond' Next we have: action = '{bond}, {james} {bond}'.format(bond='bond') this will output: KeyError: 'james' Is there some workaround to prevent this error to happen, something like: if keyrror: ignore, leave it alone (but do parse others) compare format string with … Read more
Nested f-strings
Thanks to David Beazley’s tweet, I’ve recently found out that the new Python 3.6 f-strings can also be nested: