1.
- See diagram for answer A
- See diagram for answer B
- See diagram for answer C
- See diagram for answer D
- See diagram for answer E
Section 6.2 Evaluate Loops-WE1-P1
Subgoals for Evaluating a Loop.
-
Determine Loop Components
- Start condition and values
- Iteration variable and/or update condition
- Termination/final condition
- Body that is repeated based on indentation
- Trace the loop, writing updated values for every iteration or until you identify the pattern
Subsection 6.2.1 Evaluate Loops-WE1-P1
Exercises Exercises
2.
Q2: What is the output of the following loop?
i = 10
while i > 1:
print(i, end=" ")
i-=1
- 10 9 8 7 6 5 4 3 2 1
- 9 8 7 6 5 4 3 2 1
- 9 8 7 6 5 4 3 2
- 10 9 8 7 6 5 4 3 2
- compiler error
3.
Q3: What is the output of the following loop?
i = 10
while i > 1:
print(i, end=" ")
i+= 1
- 10 11 12 13 14 15 16
- 10 9 8 7 6 5 4 3 2
- 10 9 8 7 6 5 4 3 2 1
- 1 2 3 4 5 6 7 8 9 10
- infinite loop
4.
Q4: What is the output of the following loop?
i = 0
total = 0
while i <= 50:
total += i
i += 5
print(i)
- 0 5 10 15 20 25 30 35 40 45 50
- 0 5 10 15 20 25 30 35 40 45
- 5 10 15 20 25 30 35 40 45 50
- 5 10 15 20 25 30 35 40 45
- 55
5.
Q5: What is the value of
counter after the execution of the folowing code?counter = 0
while counter > 100:
if counter % 2 == 1:
print(counter + " is odd.")
else:
print(counter + " is even.")
counter += 1
print(counter)
- 0
- 1
- 99
- 100
- 101
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