Python: Find the n minimum elements from the provided list
Python List: Exercise - 253 with Solution
Write a Python program to get the n minimum elements from a given list of numbers.
- Use sorted() to sort the list.
- Use slice notation to get the specified number of elements.
- Omit the second argument, n, to get a one-element list.
- If n is greater than or equal to the provided list's length, then return the original list (sorted in ascending order).
Sample Solution:
Python Code:
def min_n_nums(nums, n = 1):
return sorted(nums, reverse = False)[:n]
nums = [1, 2, 3]
print("Original list elements:")
print(nums)
print("Minimum values of the said list:", min_n_nums(nums))
nums = [1, 2, 3]
print("\nOriginal list elements:")
print(nums)
print("Two minimum values of the said list:", min_n_nums(nums,2))
nums = [-2, -3, -1, -2, -4, 0, -5]
print("\nOriginal list elements:")
print(nums)
print("Threee minimum values of the said list:", min_n_nums(nums,3))
nums = [2.2, 2, 3.2, 4.5, 4.6, 5.2, 2.9]
print("\nOriginal list elements:")
print(nums)
print("Two minimum values of the said list:", min_n_nums(nums, 2))
Sample Output:
Original list elements: [1, 2, 3] Minimum values of the said list: [1] Original list elements: [1, 2, 3] Two minimum values of the said list: [1, 2] Original list elements: [-2, -3, -1, -2, -4, 0, -5] Threee minimum values of the said list: [-5, -4, -3] Original list elements: [2.2, 2, 3.2, 4.5, 4.6, 5.2, 2.9] Two minimum values of the said list: [2, 2.2]
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Previous: Write a Python program to get the n maximum elements from a given list of numbers.
Next: Write a Python program to get the weighted average of two or more numbers.
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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