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Generators show up in Python exams, interviews and real projects, and most students only half remember them. Here is the short version, with output I ran on Python 3.10. A function that remembers wher
Most time complexity questions in exams reduce to two skills: counting how many times a loop body runs, and solving a recurrence. Loops A loop for (i = 1; i <= n; i++) runs n times, so O(n). A loop w
Deadlock questions are easier when you check four conditions in order. A deadlock needs all four at once: mutual exclusion, hold and wait, no preemption, and circular wait. Break any one and the deadl
