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CS1 Python Subgoals

Section 2.9 Evaluate Expressions-WE3-P2

Subgoals for evaluating an assignment statement.

  1. Decide order of operations
    1. Decompose as necessary
  2. Determine operator behavior based on operands
    1. Operator and operands must be compatible
  3. Solve arithmetic, expression, or operation
    1. Decompose as necessary
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Subsection 2.9.1

For the assignment statements below, either give the new value of the assigned variable, or enter “invalid” if the statement would result in an error. Each problem is independent of the others (e.g. Question 2 does not depend on Question 1, only the “Given” code).
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Subsection 2.9.2 Evaluate Expressions-WE3-P2

Given
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alpha = 2
beta = 1
delta = 3
eta = 10
omega = 2.5
theta = -1.3
kappa = '3'

Exercises Exercises

1.
Q23: What is the value of rho? 
rho = beta * theta
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2.
Q24: What is the value of eta? 
eta = alpha / beta
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3.
Q25: What is the value of eta? 
eta = beta + kappa
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4.
Q26: What is the value of beta? 
beta = beta / alpha
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5.
Q27: What is the value of kappa? 
kappa = kappa + '123'
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