Python

What is list comprehensions in Python?

One of the nice feature of Python is that it let you create new list from existing list in simple one liners in pythonic way. Python 3 also...
What is difference between lamda and def in Python?

(i) def may have multiple expressions. On the other hand, lamda can have single expression only. (ii) def creates a function and assigns ...
What is the difference between tuples and lists?

Tuples are fixed size in nature whereas Lists are dynamic. In other words a tuple is immutable whereas list is mutable. Hence no append,ex...
Can we use Python for web based programming?

Python is a programming language that has become popular for creating web-related applications and large programs. Scripts written in Pytho...
Reading a file in Python

Reading a file in Python is very easy. Below are two exaples. 1) We open a file, read its content and close the file ...
What is lambda in python?

Lamda, which is often used as inline function is a single expression anonymous function. We generally use it like this: A lambda form in ...
What is Enumerate?

Enumerate is a built-in function which return a enumerate object which consists of tuple containing a count (from start which defaults...
Hello World Program in Python

It is easiest of all to write hello world program in python. Below is the snippet The method is defined using the def keyword and meth...
appending to file in python

for appending to file we pass the 'a' argument to the file open method as shown below.
Writing to file in python

Writing to file in python is as easy as reading to file as shown below The code above is self explanatory. open method takes 2 argument...