Programming Languages

Iterators in python

Iterator is a python object which can be iterated upon. Python lists, tuples, dictionaries and sets are all examples of built-in iterators. Python iterator object must implement two methods, __iter__() and __next__() .

1. __iter__ : method that is called…

Decorators in Python

Decorator modifies the functionality of another function.

Now, suppose you want to add more functionality to a function, what you will do ?

You will add more coding and will modify the old code and return something or you can create a new…

Strings in Python

Strings are the sequence of characters . We can use single or double quote to represent a string:

1. ‘hi’
2. “hi”
3. “I’m playing cricket”

Variable Assignment in Python

In last chapter, we learned about numbers and how to use it. But, it will be nice if we are able to store it somewhere and use it. So, Variable Assignment come into picture.

for example,

Numbers in Python

There are mainly two types of number in Python:

1. Integer numbers which are whole numbers
2. Floating point numbers with decimal points

Let’s see some examples:

>>> 2 + 2
4
>>> 50 - 5*6
20
>>> (50 …