String Slicing in Python
Great, now you've grasped how to pull out a single character from a string. But what if you want to grab several consecutive characters? Sure, you can pick them out individually, but that seems a tad tedious, doesn't it?
It sure does. To retrieve multiple characters in one go, you can use a technique called slicing. For this, employ square brackets and denote the beginning and end indices with a colon : in between. It's crucial to note that the end index isn't included. So, when you use [1:5], you're selecting characters at indices 1 through 4. Check out the example below.
As you'll notice, the end position is always one more than the last character's index you want to include. In the above example, there are 10 positions, but the final index is 9.
Note
Don't forget that spaces count as characters and have their own indices. Refer to the example below for clarity.
123456# Initial strings site = "codefinity" greeting = "How are you" # Slice strings print(site[0:4], site[6:10]) print(greeting[2:5], greeting[6:11])
Given the string "Python" saved in the language variable, your task is to extract the substrings "tho" and "on". To help, the indices for this string are outlined below.
Note
Keep in mind that slicing does not include the final index. Therefore, when you use
language[2:5], it includes the elements at indices 2, 3, and 4, but excludes the element at index 5.
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Great, now you've grasped how to pull out a single character from a string. But what if you want to grab several consecutive characters? Sure, you can pick them out individually, but that seems a tad tedious, doesn't it?
It sure does. To retrieve multiple characters in one go, you can use a technique called slicing. For this, employ square brackets and denote the beginning and end indices with a colon : in between. It's crucial to note that the end index isn't included. So, when you use [1:5], you're selecting characters at indices 1 through 4. Check out the example below.
As you'll notice, the end position is always one more than the last character's index you want to include. In the above example, there are 10 positions, but the final index is 9.
Note
Don't forget that spaces count as characters and have their own indices. Refer to the example below for clarity.
123456# Initial strings site = "codefinity" greeting = "How are you" # Slice strings print(site[0:4], site[6:10]) print(greeting[2:5], greeting[6:11])
Given the string "Python" saved in the language variable, your task is to extract the substrings "tho" and "on". To help, the indices for this string are outlined below.
Note
Keep in mind that slicing does not include the final index. Therefore, when you use
language[2:5], it includes the elements at indices 2, 3, and 4, but excludes the element at index 5.
Tack för dina kommentarer!
