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 HELLO WORLD & VARIABLES - Demo Run
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Hello, World!

--- Core data types ---
  int    -> 30         type=int
  float  -> 5.9        type=float
  str    -> 'Ava'      type=str
  bool   -> True       type=bool

Simulated input: name='Priya', age (as string)='27'
After casting: age=27, type=int

f-string greeting: Hi Priya, you are 27 years old!

x = 5 (type int)
x = 'now a string' (type str)  <- Python allowed the type to change

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 Assignment: name + birth year + favorite number -> age + message
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Hey Rahul! You're approximately 28 years old, and your favorite number 7 is a great choice.
