Software engineering and personal development
If you are working with many numbers in Python, you probably need to do some rounding to cut off some digits that you may not need at all.
For example, let us say that you are calculating an average salary in a company and the average number that you have found is around 54,334.218
This may not be a number that can look good in a final report that you want to submit to someone. It would help if you instead rounded it.
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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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Lists are used pretty much all over the place in Python and in other programming languages as well.
Checking whether they have elements or not represents something that you may need to do.
One interesting thing about Python is that it allows you to do the same thing in more than just one way, as we can see in this case.
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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:
There can be many cases when you want to get elements from a list of named variables and not have to always use indexes.
For example, let us assume that we have a list that has five elements:
my_list = [1, 2, 3, 4]Continue reading
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