Python Variables and Data Types
Essential Concepts
Learn the fundamental building blocks of Python programming needed for Machine Learning:
- Numbers (int, float) for numerical computations
- Lists & Arrays for data structures
- Strings for text processing
- Basic operations and type conversions
Interactive Example
x = 5.7
y = int(x) # Converting to integer
print(f"Float: {x}, Integer: {y}")
# Create a list of numbers
numbers = [1, 2, 3, 4, 5]
print(f"List: {numbers}")
print(f"Sum: {sum(numbers)}")
print(f"Average: {sum(numbers)/len(numbers)}")
Practice Exercise
Create a program that:
- Creates a list of temperatures in Celsius
- Converts them to Fahrenheit
- Calculates the average temperature
- Prints the results in a formatted way
Hint: Use the formula (C × 9/5) + 32 for Celsius to Fahrenheit conversion
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