What is the output of the following Python code?list1=[80,90,100,120]print(list1[::-2])
Question
What is the output of the following Python code?
list1=[80,90,100,120]
print(list1[::-2])
Solution
The output of the Python code will be [120, 90].
Here's the step by step explanation:
- list1[::-2] is a slicing operation in Python.
- The -2 is the step, which means take every second element of the list.
- The :: means to start at the beginning of the list and go to the end.
- However, because the step is negative, it starts at the end of the list and goes to the beginning.
- So, it takes every second element from the end of the list to the beginning, which results in [120, 90].
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