Python isalpha, insumeric and isalnum(): A complete Guide
The Python isalpha(), isnumeric() and isalnum() are three string methods that return boolean value …
Vinay Khatri
11 February, 2025
Determine the index of an element that satisfies given constraints in an array
Problem Given an array of integers, find an index before which all elements are smallest than it…
Vinay Khatri
11 February, 2025
Shuffle an array according to the given order of elements
Problem Given two integer arrays of the same size, arr[] and index[], reorder elements in arr[] …
Vinay Khatri
11 February, 2025
Count the number of strictly increasing subarrays in an array
Problem Given an array, count the total number of strictly increasing subarrays in it. Sample…
Vinay Khatri
11 February, 2025
Find duplicates within a range k in an array
Problem You are given an array of integers and a number k. You need to check if duplicates exist…
Vinay Khatri
11 February, 2025
Find the longest subsequence formed by consecutive integers
Problem Given an array of integers, find the longest subsequence of consecutive integers. Sam…
Vinay Khatri
10 February, 2025
Python TypeError: can only join an iterable Solution
With the help of a Python string join() method, we can concatenate all the string values of an iter…
Vinay Khatri
10 February, 2025
Python TypeError: 'float' object is not iterable Solution
In Python, we have some iterable objects such as a string, list, tuple, dictionary, and set. The on…
Vinay Khatri
11 February, 2025
![Python FileNotFoundError: [Errno 2] No such file or directory Solution](/media/new_post_images/Python-FileNotFoundError-Errno-2-No-such-file-or-directory-Solution.webp)
Python FileNotFoundError: [Errno 2] No such file or directory Solution
When we read data from a file using Python there, we need to specify the file name. And that file n…
Vinay Khatri
11 February, 2025
Python RecursionError: maximum recursion depth exceeded while calling a Python object
In programming, recursive functions are routines or methods that call themselves directly or indire…
Vinay Khatri
11 February, 2025
Python AttributeError: 'numpy.ndarray' object has no attribute 'append' Solution
Numpy is a third-party open-source Python scientific computational library. It is widely used for i…
Vinay Khatri
11 February, 2025
Python TypeError: unsupported operand type(s) for +: 'NoneType' and 'str' Solution
We can use the + operator in Python to add two numbers and merge two string values. But if we perfo…