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How Can I Generate Three Random Integers That Satisfy Some Condition? A little bit of algebra goes a long way. But also, when was the last time you got to use SciPy’s Diophantine equation solver? STACK OVERFLOW

Why Doesn’t Python Give Any Error When Quotes Around a String Do Not Match? How well do you know your quotes? STACK OVERFLOW

How Can I Accept and Run User’s Code Securely on My Web App? Not with eval() STACK OVERFLOW

Classifying Values Based on Ranges That Contain Them Avoid big if/else blocks by using the bisect module! STACK OVERFLOW

Renaming Months From Number to Name in Pandas In a DataFrame indexed by month and day, how do you change the month index from numbers, like 1, to a name, like Jan? STACK OVERFLOW

How Can I Simplify Repetitive if/elif Statements? Comparing a single value against a number of conditions can result in long if/elif blocks. Is there a short and clean way to handle these comparisons? STACK OVERFLOW

Can You Retrieve Elements Silently Consumed by zip() From Generators of Unequal Length? If you pass two generators to zip(), then the iterator returned by zip() stops whenever the shorter of the two generators runs out of values. If the generator passed to zip() in the first position is larger than the second, then there is an “extra” value consumed from the larger generator....

Sudoku Puzzle With Boxes Containing Square Numbers How do you solve a Sudoku puzzle in Python? And if the puzzle has a solution, how can you tell if the solution is unique? In this Stack Overflow question, see how the z3 SMT solver can be used to answer both of these questions. STACK OVERFLOW

What Causes [*a] to Overallocate? Stefan Pochmann investigates memory allocation for three methods of creating a list from an iterable a: list(a), [x for x in a], and [*a]. The last method, [*a], always overallocates memory for the list. STACK OVERFLOW