Python: Find all anagrams of a string in a given list of strings using Lambda
Python Lambda: Exercise-19 with Solution
Write a Python program to find all anagrams of a string in a given list of strings using lambda.
According to Wikipedia an anagram is direct word switch or word play, the result of rearranging the letters of a word or phrase to produce a new word or phrase, using all the original letters exactly once; for example, the word anagram can be rearranged into nag-a-ram.
Sample Solution:
Python Code :
from collections import Counter
texts = ["bcda", "abce", "cbda", "cbea", "adcb"]
str = "abcd"
print("Orginal list of strings:")
print(texts)
result = list(filter(lambda x: (Counter(str) == Counter(x)), texts))
print("\nAnagrams of 'abcd' in the above string: ")
print(result)
Sample Output:
Orginal list of strings: ['bcda', 'abce', 'cbda', 'cbea', 'adcb'] Anagrams of 'abcd' in the above string: ['bcda', 'cbda', 'adcb']
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Previous: Write a Python program to find palindromes in a given list of strings using Lambda.
Next: Write a Python program to find the numbers of a given string and store them in a list, display the numbers which are bigger than the length of the list in sorted form. Use lambda function to solve the problem..
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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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