It can be quite easy to get the first character in a string, but how can you get the first n characters from a string? Or what about the last n characters? To get more than one character from a string you can use the slice operator which has the syntax [start:stop:step]. For example, to …
How do you increment through a for loop by 2 or more using Python? To iterate by 2 or more when processing a for loop expression use the third parameter of the range(start, stop, step) built-in function, or if using the slice operator use the third parameter. Here is an example demonstrating how to iterate …
How can you use the Python Regex library to check if a string represents a phone number? To check if a string matches a specific pattern use the Regex library’s match or exec methods. Before writing your Regex pattern inspect the variants for the phone number field to see whether you’re Regex pattern will match. …
How do you convert a string representing a percentage number into an actual number that can be used to perform calculations? To convert a string represented as a percentage number into an actual decimal number in Python use the built-in float() function after removing the percent symbol from the string and any other characters that …
How do you know if a string will convert to an integer in Python? There are 3 ways to check if a string will convert to an integer in Python and these methods are: use a try-catch on the int(string) operation or perform an operation on the string to remove all integers and see if …
How do you capitalize the first letter of each word in a string using Python? To capitalize the first letter of every word in Python using one line of code enter the following: ” “.join([x.capitalize() for x in my_string.split()]). Here is an example demonstrating how the code works in the Python REPL: As you can …