🕵️ Stack Trace Lineup

import bisect
nums = [1, 3, 5, 7, 9]
bisect.insort(nums, 4)
print(nums)

# (no error — bisect keeps the list sorted)
[1, 3, 4, 5, 7, 9]

from string import Template

t = Template("Hello, $name!")
print(t.substitute(name="Ada"))

# (no error)
Hello, Ada!

import math
print(math.gcd(48, 36), math.isclose(0.1 + 0.2, 0.3))

# (no error)
12 True

import heapq
h = []
result = heapq.heappop(h)
print(result)

Traceback (most recent call last):
  File "lineup.py", line 3, in <module>
    result = heapq.heappop(h)
HeapEmptyError: cannot pop from empty heap

from itertools import groupby

data = "AAABBBCCCC"
result = [(k, len(list(g))) for k, g in groupby(data)]
print(result)

# (no error)
[('A', 3), ('B', 3), ('C', 4)]