python
What is a Variable?
A variable is a name used to store data that can be used and manipulated later in a program. Think of it as a labeled box where you can store a value. In the below example: name is a variable holding a string age is a variable holding an intege
name = "Alice"
age = 25 Python Data Types
A variable is a name used to store data that can be used and manipulated later in a program. Think of it as a labeled box where you can store a value. In the below example: name is a variable holding a string age is a variable holding an intege
. String (str)
Textual data enclosed in quotes.
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greeting = "Hello, World!"
2. Integer (int)
Whole numbers without decimals.
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count = 10
3. Float (float)
Numbers with decimal points.
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price = 19.99
4. Boolean (bool)
Represents True or False.
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is_logged_in = True
Checking a Variable's Type
Use the type() function to see the data type:
x = 100
print(type(x)) # <class 'int'>
Type Conversion (Casting)
Sometimes you need to convert data types.
x = "10"
y = int(x) # Now y is an integer
Common functions:
int()
float()
str()
bool()