To print a list without its last element, you can pass the result of slicing
my_list[:-1] into the
print() function. This slices from the first element (included) to the last element (excluded) with negative index
-1 that reads like “the first sequence element from the right”.
Note that the
stop index in the slicing notation
[start:stop] is not included in the output of the slicing operation.
Here’s a simple example that prints the list without the last element
'Dave' using slicing:
lst = ['Alice', 'Bob', 'Carl', 'Dave'] print(lst[:-1]) # ['Alice', 'Bob', 'Carl']
💡 Recommended Tutorial: An Introduction to Python Slicing
I strongly believe this slicing approach
print(my_list[:-1]) is the most Pythonic, most concise, and most efficient way to solve this problem so I won’t provide any additional methods that would only be inferior.
On other websites, I have seen approaches like removing the last element from the list using
pop() and printing it afterward. But this is not a great way to solve the problem because it has side effects. Also, it’s less efficient.
Another approach would be to use explicit slicing with
my_list[:len(my_list)-1] but look at the unreadable code and tell me this is better!
👉 Related Tutorials: ⤵️
- Python Print List Without First Element
- Python Print List Without Last Element
- Python Print List Without First and Last Elements
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