Python: Most frequent element in a given list of numbers
Python List: Exercise - 261 with Solution
Write a Python program to get the most frequent element in a given list of numbers.
- Use set() to get the unique values in nums.
- Use max() to find the element that has the most appearances.
Sample Solution:
Python Code:
def most_frequent(nums):
return max(set(nums), key = nums.count)
print(most_frequent([1, 2, 1, 2, 3, 2, 1, 4, 2]))
nums = [2,3,8,4,7,9,8,2,6,5,1,6,1,2,3,2,4,6,9,1,2]
print ("Original list:")
print(nums)
print("Item with maximum frequency of the said list:")
print(most_frequent(nums))
nums = [1, 2, 3, 1, 2, 3, 2, 1, 4, 3, 3]
print ("\nOriginal list:")
print(nums)
print("Item with maximum frequency of the said list:")
print(most_frequent(nums))
Sample Output:
2 Original list: [2, 3, 8, 4, 7, 9, 8, 2, 6, 5, 1, 6, 1, 2, 3, 2, 4, 6, 9, 1, 2] Item with maximum frequency of the said list: 2 Original list: [1, 2, 3, 1, 2, 3, 2, 1, 4, 3, 3] Item with maximum frequency of the said list: 3
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Previous: Write a Python program to check if a given function returns True for at least one element in the list.
Next: Write a Python program to move the specified number of elements to the end of the given list.
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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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