Display number with leading zeros
How do I display a leading zero for all numbers with less than two digits? 1 → 01 10 → 10 100 → 100 1 17
string-formatting
String formatting: % vs. .format vs. f-string literal
Python 2.6 introduced the str.format() method with a slightly different syntax from the existing % operator. Which is better and for what situations? Python 3.6 has now introduced another string formatting format of string literals (aka “f” strings) via the syntax f”my string”. Is this formatting option better than the others? The following uses each … Read more
How do I print curly-brace characters in a string while using .format?
Non-working example: print(” \{ Hello \} {0} “.format(42)) Desired output: {Hello} 42 2 25
How to format strings in Java
In addition to String.format, also take a look java.text.MessageFormat. The format less terse and a bit closer to the C# example you’ve provided and you can use it for parsing as well. For example: int someNumber = 42; String someString = “foobar”; Object[] args = {new Long(someNumber), someString}; MessageFormat fmt = new MessageFormat(“String is \”{1}\”, number … Read more
How can I print literal curly-brace characters in a string and also use .format on it?
x = ” \{ Hello \} {0} ” print(x.format(42)) gives me : Key Error: Hello\\ I want to print the output: {Hello} 42 2 25
