Python Fundamentals / Loops
Lesson 19 of 38
Loop patterns: totals and counts
Two classic patterns: keep a running total by adding inside the loop, and count matches with a counter that starts at 0.
Key points
- Start totals at 0
- Add or count inside the loop
- Print after the loop ends
total = 0
for n in [4, 8, 15]:
total += n
print(total) # 27Quiz · +10 XP
What does total hold after adding 2, 3 and 5 starting from 0?
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