Python: Find the pairs of maximum and minimum product from a given list, use itertools module
Python Itertools: Exercise-33 with Solution
Write a Python program to find the pairs of maximum and minimum product from a given list. Use itertools module.
Sample Solution:
Python Code:
import itertools as it
def list_max_min_pair(nums):
result_max = max(it.combinations(nums, 2), key = lambda sub: sub[0] * sub[1])
result_min = min(it.combinations(nums, 2), key = lambda sub: sub[0] * sub[1])
return result_max, result_min
nums = [2,5,8,7,4,3,1,9,10,1]
print("The original list: ")
print(nums)
print("\nPairs of maximum and minimum product from the said list:")
print(list_max_min_pair(nums))
Sample Output:
The original list: [2, 5, 8, 7, 4, 3, 1, 9, 10, 1] Pairs of maximum and minimum product from the said list: ((9, 10), (1, 1))
Python Code Editor:
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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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