How do I get the last element of a list in Python?
To get the last element of a list in Python, you can use the negative indexing feature of the list data type. For example:
my_list = [1, 2, 3, 4, 5]
last_element = my_list[-1] # last_element will be 5
You can also use the len()
function to get the length of the list and use it to index the last element. For example:
my_list = [1, 2, 3, 4, 5]
last_element = my_list[len(my_list) - 1] # last_element will be 5
Both of these approaches will work regardless of the length of the list.
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Understanding slicing in Python?
Slicing is a way of extracting a specific part of an array. The syntax is following: mylist[start:end] # items start through end-1 mylist[start:] # items start through the rest of the array ...
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How to convert string into datetime in Python?
To convert a string into a datetime object in Python, you can use the datetime.strptime() function. This function allows you to specify the format of the input string, and it will return a datetime...
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How to use the ternary conditional operator in Python?
The ternary conditional operator is a shortcut when writing simple conditional statements. If the condition is short and both true and false branches are short too, there is no need to use a multi-...
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How can I safely create a nested directory in Python?
The most common way to safely create a nested directory in Python is using the pathlib or os modules. Using pathlib You can create a nested directory in python 3.5 or later using the Path and mkdir...
Questions
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