Software engineering and personal development
A palindrome is a word that is the same whether you read it forwards or backward.
Checking whether an input string is a palindrome can be a common interview question that you may encounter at least in one of the technical rounds of your interviews.
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The index in a string is the position of a substring that is part of that string.
When you want to check whether a string in Python starts with a specific character, you can specify the index 0 and write the name of the variable of the string in front:
You have probably seen cases when you can do splits of strings into multiple parts based on a pattern that is observed in the string. For example, let us say that we want to save all the words that are part of a sentence.
To do that, we usually try to do split the sentence into words based on the spaces that we find, such as:
If you need to find the longest string in a list in Python, you may be tempted to do that in the form of iterating through every element, finding their length, and checking whether this current length is larger than a temporary value that we have chosen in the beginning.
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If you have to find the union of elements that are either in the first or the second set, but not in both of them, then you need to use the symmetric difference.
This is also another math operation between sets that you have probably seen in a math class in high school.
This can be done quite easily and quickly using 2 built-in methods in Python.
Let’s start with the first one.
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In the last article, we saw how we can find the difference between 2 sets in Python. In this article, we are going to see how to find the union of 2 sets.
This is actually quite similar to the difference.
We also have 2 ways to do the union of 2 sets in Python.
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Dictionaries represent a commonly used data structure in many scenarios. You may also have cases when you need to merge 2 dictionaries, for example, given that we have 2 equal keys, we want to get the value of the second dictionary.
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Lists are pretty much widely used throughout every project that you can think of. Tuples, on the other hand, are not that common, but both of them have something in common that you can use right away.
You can use the same method for both of them to find indexes of certain elements.
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One of the first things that you learn when you start to program is learning how to declare a variable and assign to it a value.
For example, you are told to assign a string and then print it in a console:
Now, if we want to assign another variable in there, our intuition can be to just add a new line, and assign it there:
Lists represent one of the most used data structures in any Python script. One of the reasons why I like programming in Python is that I get to reach a result quite quickly.
One such thing is the opportunity to easily and quite simply access their elements quite flexibly.
With flexibility, I mean, having the opportunity to choose only the elements that we want.
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