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Section 4.6 Evaluate Conditionals-WE3-P1
Subgoals for Evaluating Selection Statements.
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Diagram which statements go together by indentation
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For conditional, determine whether expression is true
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If true, follow true branch
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If false, follow next elif/else branch or exit conditional if no else branch
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Repeat step 2 as necessary
Subsection 4.6.1 Conditionals-WE3-P1
Each question below is independent, but they all use this given setup
Exercises Exercises
1.
Q12: What is the only numerical value that has a truthiness of False?
No numerical values have a truthiness of False
All numerical values have a truthiness of False
2.
Q13: Click on all conditions that are true in the following code before the code is executed:
if a + c:
c = 12
if c:
b = 1
elif a:
a = c
elif b:
a = b
3.
Q14: Enter the value of each variable after the following code is executed:
if a + c:
c = 12
if c - a:
a = 1
if b:
a = b
elif a - a:
a = c
else:
a = 13
4.
Q15: What is the output of the following code?
if b >= c:
if b >= a:
print("b")
elif a >= c:
print("a")
elif b >= a:
print("c")
elif a >= c:
print("a")
else:
print("c")
5.
Q16: What is the output of the following code?
if c == 2*a:
print("double")
elif c == 3*a:
print("triple")
elif c == 4*a:
print("quadruple")
elif c == 5*a:
print("quintuple")
else:
print("unknown")
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