PYTHON


vinaykhatri
Vinay Khatri 1 October, 2021

What is a constructor in Python?

Every object-oriented programming language supports the concept of class and objects to implement t…

vinaykhatri
Vinay Khatri 1 October, 2021

Read File in Python

Python is a very handy programming language. Its easy syntax and built-in functions come in very us…

vinaykhatri
Vinay Khatri 1 October, 2021

Python ‘numpy.ndarray’ object is not callable Solution

Like Python lists and arrays, we can use indexing with NumPy arrays to access individual elements f…

vinaykhatri
Vinay Khatri 1 October, 2021

Python SyntaxError: can’t assign to function call Solution

To assign a value to a variable in Python, we use the assignment operator between the variable name…

vinaykhatri
Vinay Khatri 1 October, 2021

Python TypeError: ‘float’ object is not subscriptable Solution

Python has three subscriptable objects list, string, and tuples. They are subscriptable because&nbs…

vinaykhatri
Vinay Khatri 1 October, 2021

Python IndexError: tuple index out of range Solution

Similar to Python lists, Python tuples also support indexing to access its individual elements. Alt…

vinaykhatri
Vinay Khatri 1 October, 2021

Python Dictionary Methods

A Dictionary is a Python inbuilt data structure that store the items in the form of key:value pairs…

vinaykhatri
Vinay Khatri 1 October, 2021

Search an element in rotated sorted array

You are given a sorted array and a key element as input. Find the index of the key element in the a…

vinaykhatri
Vinay Khatri 1 October, 2021

Python TypeError: can only concatenate str (not “int”) to str Solution

In Python, we can use the + symbol as an addition operator between two numeric values and a concate…

vinaykhatri
Vinay Khatri 1 October, 2021

Python AttributeError: 'NoneType' object has no attribute 'append' So…

The Python append() is a list method to add a new element object at the end of the list. But if we …

vinaykhatri
Vinay Khatri 1 October, 2021

Python SyntaxError: positional argument follows keyword argument Solu…

Python support two types of argument passing during a function call, Positional and Keyword Argumen…

vinaykhatri
Vinay Khatri 1 October, 2021

Python TypeError: unhashable type: ‘slice’ Solution

Python Dictionaries are the built-in hashtable data structure that maps a key to a corresponding va…