Jul 12, 2010 · With the introduction of f-strings in Python 3.6, it is now possible to access previously defined variables without the need for .format. Simply prepend an f to the string: …

Before casting the user's input into an integer, you can check to see if their input has 4 digits in it by using the len function: However, when using the int function, Python turns "0007" into …

I have a number of four or fewer digits, e.g. 8 or 12 or 197. I'd like to put 0's in front of this number until it is 4 digits long, e.g. 0008 or 0012 or 0197. What would be the easiest way to go about …

Formatting numbers with variable digits in Python 3 can be achieved using various techniques such as the format() function, string concatenation, or the zfill() method.

Here's one way to do it while True: try: n = int (input ('4-digit number: ')) if n in range (1000, 10000): break except: pass.

Nov 5, 2017 · import re # see the notebook for a generalized version def truncate(num): return re.sub(r'^(\d+\.\d{,2})\d*$',r'\1',str(num)) truncate(8.499) # >>> '8.49' truncate(8.49) # >>> '8.49' …

In this article, we show how to match a number with a certain amount of digits in Python using regular expression. Say, we want to match the year in a string. A year is a 4-digit number, …

Nov 14, 2020 · inputnum = input('num must not be longer than 4') I've recently just started learning Python and was wondering how to do that. I want Python to accept 1, 2, 3 & 4 digit …

Sep 2, 2019 · Learn how to leverage Python's detailed formatting language to control how numbers are displayed in your applications.

In this tutorial, we will learn how to format a number to 4 decimal places using Python. To achieve this, we will use the format function in Python. The format function allows you to specify a …