🕵️ Stack Trace Lineup

name = "Alice"
print(name.lower().replace("a", "X"))

# (no error)
Xlice

print(2 + 3 * 4 - 1)

# (no error)
13

vals = [10, 20, 30]
print(sum(vals) / len(vals))

# (no error)
20.0

nums = [1, 2, 3]
total = 0
for n in nums:
    total = total + n
print(total)

# (no error)
6

s = "hello"
print(s[10:20])

Traceback (most recent call last):
  File "lineup.py", line 2, in <module>
    print(s[10:20])
          ~^^^^^^^
IndexError: string slice indices out of range