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Class objects vs. variables
Bhanu Anagani
Class
- Python is an Object-Oriented Programming Language.
- A Class is used to create User-Defined Data Structures.
- Classes have data members and define
methods identify the behavior and actions that can be performed with its data members - Object is the unique instance of a class.
How to create a class and object
class ClassExample:
def __init__(self, collegeName):
self.collegeName = collegeName
def display(self):
print("My college name is " + self.collegeName)
object = ClassExample("GITAM")
object.display()
Example for class
Variables
- A variable is a container used to store data values.
- There is no need to specify a data type to declare a variable.
- It will consider the corresponding data types according to the value that you are assigning to the variable.
code = 12 name = "GITAM" branch = "CSE" location = "Visakhapatnam" print(str(code) + " " + name + " " + branch + " " +location)
Sample program for variables
Casting
- Casting is used to convert a variable value from one data type to another.
- It is also used to specify the type of the variable.
rollno = str(121710303001)
name = "Aditya"
cgpa = int(7.87)
per = float(9)
print("Rollno : " , rollno )
print("Name :" , name)
print("CGPA :" , cgpa)
print("Percentage : ", per)
Example for type casting
How to check the datatype of a variable
You can get the data type of a variable using the type() function.
rollno = 121710303001 name = "Aditya" cgpa = 7.87 print(type(rollno)) print(type(name)) print(type(cgpa))
Program to display the type of variable
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Bhanu Anagani
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