- 7 * 6
- 5 / 3
- 1429
- print("Hello World!") 
- print(add(square(x), square(y)))
- len("What's up, man?") 

University of Michigan - Ann Arbor

- Expressions are any combination of data types to be evaluated. Evaluating an expression results in values/objects. Expressions can also be evaluated into or set to values. 
- Asking Python to print an expression will result in the interpreter attempting to evaluate the expression and display the result

Expressions in Python 

https://runestone.academy/runestone/books/published/fopp/index.html

Runestone: Foundations of Python Programming

Examples of Expressions in Python 

After setting variables, their assigned values can be updated through the use of operators. If the print() function is applied to the reset variable, the newly updated value will appear. 

Updating Variables in Python 

A common programming exercise involves writing a program to calculate the sum of the squares of numbers in a given list. For instance, given the list of numbers [2, 10, -9, 78], the task is to compute the value of $2^2 + 10^2 + (-9)^2 + 78^2$.

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