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 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 split a string into two equal halves using Python? To tackle this exercise you need to know how you’re going to operate on odd numbered string lengths. For example, how would you like your code to operate on the string halve. As it has 5 characters you’re going to have 5 possible …
How do you get a string to be all lowercase in Python? Thankfully there’s a built-in method that doesn’t require importing any external libraries to get a string to lower case, here’s how you do it. To get a string to all lowercase, use the built-in string method .lower(), which turns all characters in the …
Is there a quick and easy way to get the first character from a string in Python? Yes, there is using the slice operator. To get the first character in a string simply use the code my_string[0] where my_string is a variable containing the string and the slice operator [0] captures the first index of …
