Python Operator Overloading
Posted on Oct. 31, 2019, 1:31 p.m.
You have already seen you can use + operator for adding numbers and at the same time to concatenate strings. It is possible because + operator is overloaded by both int class and str class. The operators are actually methods defined in …
Python Object and Classes
Posted on Oct. 31, 2019, 12:37 p.m.
Creating object and classes #
Python is an object-oriented language. In python everything is object i.e int, str, bool even modules, functions are also objects.
Object oriented programming use objects to create programs, and these objects stores data and behaviours …
Read MorePython File Handling
Posted on Oct. 31, 2019, 12:36 p.m.
We can use File handling to read and write data to and from the file.
Opening a file #
Before reading/writing you first need to open the file. Syntax of opening a file is.
f = open(filename, mode)
The open …
Python Generating Random numbers
Posted on Oct. 30, 2019, 6:01 p.m.
Python random module contains function to generate random numbers. So first you need to import random module using the following line.
import random
random() Function #
The random() function returns random number r such that 0 <= r < 1.0 …
Python Mathematical Function
Posted on Oct. 30, 2019, 5:47 p.m.
Python has many inbuilt function.
| Method | Description |
|---|---|
round(number[, ndigits]) |
rounds the number, you can also specify precision in the second argument |
pow(a, b) |
Returns a raise to the power of b |
abs(x) |
Return absolute value of x … |
Python Loops
Posted on Oct. 30, 2019, 3:20 p.m.
Python has only two loops:
- for loop
- while loop
For loop #
The for loop Syntax:
1 2 | for i in iterable_object:
# do something
|
note:
All the statements inside for and while loop must be indented to the same number of …
Python Functions
Posted on Oct. 30, 2019, 2:46 p.m.
Functions are the re-usable pieces of code which helps us to organize structure of the code. We create functions so that we can run a set of statements multiple times during in the program without repeating ourselves.
Creating functions #
Python …
Read MorePython Control Statements
Posted on Oct. 30, 2019, 2:31 p.m.
It is very common for programs to execute statements based on some conditions. In this section we will learn about if else statement in Python.
But before we need to learn about relational operators. Relational operators allows us to compare …
Read MoreDatatype Conversion
Posted on Oct. 30, 2019, 2:19 p.m.
Once in a while you will want to convert data type of one type to another type. Data type conversion is also known as Type casting.
Converting int to float #
To convert int to float you can use the float …
Python Tuples
Posted on Oct. 30, 2019, 2:15 p.m.
In Python Tuples are very similar to list but once a tuple is created, you cannot add, delete, replace, reorder elements.
note:
Tuples are immutable.
Creating a tuple #
1 2 3 4 5 6 7 | >>> t1 = () # creates an empty … |
