lecture-2.md

Lecture-2 Variables & Data Type in Python

What is Variable

Variables are used to store data, they take memory space based on the type of value we assigning to them.

Example =

Name="Vedika"
print(Name)

Here,We are storing vedika in the variable name.

Rules to declare a variable in python

1. A variable name must start with a letter (a-z or A-Z) or the underscore (_) character.
2. A variable name cannot start with a number.
3. variable are case-sensitive
4. A variable name can not used reserved keyword
5. A variable name can include (a-z,A-z, 0-9, and _ )

Code Blocks

age=21
print(age)

name="Vedika"
age=20
weight=50.50

print("Name: ",name)
print("Age: ",age)
print("Weight: ",weight)

name="Vedika"
age=20
weight=50.50

print(type(name))
print(type(age))
print(type(weight))

a,b,c=10,20,30
print(a)
print(b)
print(c)

val=10
print(val)
val=20
print(val)
val=30
val=40
val=50
print(val)

🏠 HomeWork

1️⃣ Write a program to declare variables and then store your own information in the variable and print in a formatted way.

👁 Show Answer

Name='Vedika'
Age=18
Weight=50
Clg_name="GP"
Email_id="PQR123@gmail.com"
Studied_at="Pune"
print("Name:",Name)
print("Age:",Age)
print("Weight:",Weight)
print("Email_id",Email_id)
print("Studied_at",Clg_name)

2️⃣ Write a program to find data type of three different variable.

👁 Show Answer

a="Vedika"
b=10000
c=10.222
print("type of a:",type(a))
print("type of b:",type(b))
print("type of c:",type(c))

🔗 Some Useful Links

📖 References