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Python: Reverse strings in a given list of string values using lambda

Python Lambda: Exercise-41 with Solution

Write a Python program to reverse strings in a given list of string values using lambda.

Sample Solution:

Python Code :

def reverse_strings_list(string_list):
    result = list(map(lambda x: "".join(reversed(x)), string_list))
    return result

colors_list = ["Red", "Green", "Blue", "White", "Black"]
print("\nOriginal lists:")
print(colors_list)
print("\nReverse strings of the said given list:")
print(reverse_strings_list(colors_list))

Sample Output:

Original lists:
['Red', 'Green', 'Blue', 'White', 'Black']

Reverse strings of the said given list:
['deR', 'neerG', 'eulB', 'etihW', 'kcalB']

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Python Code Editor:

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Previous: Write a Python program to find the nested lists elements, which are present in another list using lambda.
Next: Write a Python program to calculate the product of a given list of numbers using lambda.

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Python: Tips of the Day

Python: Cache results with decorators

There is a great way to cache functions with decorators in Python. Caching will help save time and precious resources when there is an expensive function at hand.

Implementation is easy, just import lru_cache from functools library and decorate your function using @lru_cache.

from functools import lru_cache

@lru_cache(maxsize=None)
def fibo(a):
    if a <= 1:
        return a
    else:
        return fibo(a-1) + fibo(a-2)

for i in range(20):
    print(fibo(i), end="|")

print("\n\n", fibo.cache_info())

Output:

0|1|1|2|3|5|8|13|21|34|55|89|144|233|377|610|987|1597|2584|4181|

 CacheInfo(hits=36, misses=20, maxsize=None, currsize=20)