Python Questions Asked in Companies

The Python pickle is defined as a module which accepts any Python object and converts it into a string representation. It dumps the Python object into a file using the dump function; this process is called pickling. The process of retrieving the original Python objects from the stored string representation is called as Unpickling. Pickling … Read more

Python sequences are accessible using an index in positive and negative numbers. For example, 0 is the first positive index, 1 is the second positive index and so on. For negative indexes -1 is the last negative index, -2 is the second last negative index and so on. Index traverses from left to right and … Read more

The Python docstring is a string literal that occurs as the first statement in a module, function, class, or method definition. It provides a convenient way to associate the documentation. String literals occurring immediately after a simple assignment at the top are called “attribute docstrings”. String literals occurring immediately after another docstring are called “additional … Read more

Pass specifies a Python statement without operations. It is a placeholder in a compound statement. If we want to create an empty class or functions, this pass keyword helps to pass the control without error. # For Example class Student: pass # Passing class class Student: def info(): pass # Passing function In Python, pass … Read more

The Python dictionary is a built-in data type. It defines a one-to-one relationship between keys and values. Dictionaries contain a pair of keys and their corresponding values. It stores elements in key and value pairs. The keys are unique whereas values can be duplicate. The key accesses the dictionary elements. Keys index dictionaries. Let’s take … Read more