Posts

what are python Python Casting briefly describe and give examples

  what are python Python Casting Python casting is the process of converting one data type to another data type. For example, you can convert an integer to a floating point number, or a string to an integer. In Python, you can use the following casting functions: int() : converts a number or a string to an integer. float() : converts a number or a string to a floating point number. str() : converts a number or a list to a string. bool() : converts a value to a Boolean (True or False). Examples: x = int(5.5) # x will be 5 y = float(10) # y will be 10.0 z = str(True) # z will be "True" a = bool(0) # a will be False   It's also possible to do casting by just assigning the value of one type to a variable of another type, this is called Implicit casting a = 5.5 b = int(a) # b will be 5   c = "5" d = int(c) # d will be 5   It's important to note that some casting may lead to loss of data, for example c

what are python numbers briefly describe each number type in python and give examples

what are python numbers In Python, there are several types of numbers: int (integer): a whole number, such as 42 or -5. float (floating point): a decimal number, such as 3.14 or -0.01. complex: a complex number, such as 3+4j or 2-5j. Examples: a = 4 # int b = 3.14 # float c = 4+3j # complex   Python also has a bool type which can only have two values True or False and it's used to represent truth values. Additionally, Python has a Decimal and Fraction classes to work with decimal numbers and fractions respectively. These classes are present in the decimal and fractions modules respectively and are generally used for more precise computations. Examples: from decimal import Decimal d = Decimal(3.14) from fractions import Fraction e = Fraction(3,4)

what are data types in python? Different Data Types In Python with Examples

  what are data types in python? Different Data Types In Python with Examples In Python, a data type is a category of values. Python has several built-in data types, including integers (int), floating-point numbers (float), and strings (str). Here's a brief overview of each of these data types, along with examples of how to create and use them: Integers (int) are whole numbers, such as 42 or -17. You can create an integer in Python by typing a whole number directly, like this: x = 42 y = -17 Creating an integer in Python is quite simple. You can create an integer by typing a whole number directly, like this: x = 42 y = -17 You can perform basic mathematical operations on integers, such as addition, subtraction, multiplication, division, and modulo. Here are some examples: a = 7 b = 3 # addition c = a + b print(c) # prints 10 # subtraction c = a - b print(c) # prints 4 # multiplication c = a * b print(c) # prints 21 # division c

Python Multiple Variables, Output Variables and Global Variables

  Many Values to Multiple Variables in python with examples Python is a powerful and versatile programming language that allows you to assign many values to multiple variables . This is useful when you want to assign multiple values to a single variable , or when you want to assign the same value to multiple variables . In this blog , we will take a look at how to assign many values to multiple variables in Python . First , let ’ s look at how to assign multiple values to a single variable . This is done using a list . A list is a collection of elements , such as integers , strings , or even other lists . To assign multiple values to a single variable , you can simply assign the list to the variable . For example , if you wanted to assign the values 1 , 2 , and 3 to a variable called “ n umbers ” , you could use the following code : n umbers =

Python - Variable Names

  Python - Variable Names In Python, a variable is a named location in memory that stores a value. A variable name is used to reference the value stored in the variable. There are a few rules for naming variables in Python: Variable names can only contain letters, numbers, and underscores. They cannot begin with a number. Variable names are case-sensitive, so myVariable and myvariable are different variables. Python reserves a set of words that cannot be used as variable names, known as keywords. Some examples of keywords include for , while , def , and class . Variable names should be descriptive and meaningful, but they should also be concise. It is a good idea to use short, all-lowercase names for most variables, and to use underscores to separate words (e.g., my_variable ). Here are some examples of valid and invalid variable names in Python: # Valid variable names my_variable = 10 x = 5 student_name = &qu

What are Python Variables

What are Python Variables In Python, a variable is a named location in memory that stores a value. When you create a variable, you reserve some space in memory and assign a unique name to it. You can then use the name to refer to the value stored in the variable. Here is an example of creating and using a variable in Python: x = 10 print(x)   This code creates a variable called  x  and assigns the value  10  to it. The  print  function is then used to display the value of  x . In Python, you do not need to specify the type of a variable when you create it. The interpreter will determine the type of the value stored in the variable and assign the appropriate type to the variable automatically. creating variable in python To create a variable in Python, you just need to specify the name you want to use for the variable and assign a value to it using the assignment operator  = . For example: x = 10 This creates a variable called  x  and assigns the value  10  to it. You can also create mu