Infinite loop
An infinite loop is a control-flow cycle that continues without reaching a normal termination point unless an exit condition or external intervention stops it.
Python Workout: 50 ten-minute exercises
A loop whose condition remains true until an explicit control-flow operation exits it.
- How it is used
- Uses repeated interactive input until a correct answer, valid record, or explicit break ends processing.
- How deep it goes
- Explains while True, break, continue, validation, and input conversion through two worked interactive programs.
- Examples
- Demonstrates number guessing with random.randint and rainfall collection with dictionary updates.
- What you can do after
- Apply it via Python to build interactive loops with explicit exits and retry paths for invalid input.
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100 Java Mistakes and How to Avoid Them
An infinite loop is a loop whose execution continues indefinitely because its termination condition is never reached or satisfied.
- How it is used
- Warns against loop constructs that fail to make progress or reach a terminating condition.
- How deep it goes
- Explains counter mix-ups, idempotent bodies, overflow, tests, fixes, and static-analysis limits without broader overflow internals.
- Examples
- Uses nested counters, unique-ID suffix generation, format-string scanning, array normalization, and inclusive maximum-bound iteration.
- What you can do after
- Diagnose/debug with it by tracing whether each iteration changes termination-relevant state and testing maximum-bound corner cases.
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Python Workout, Second Edition
An infinite loop is a loop whose condition remains true so that execution continues until an explicit exit changes the control flow.
- How it is used
- Deploys repeated user interaction for guessing games and accumulating rainfall data until an explicit termination event occurs.
- How deep it goes
- Explains while True, break, continue, input conversion, and a transformation-related failure mode, but stops short of loop internals.
- Examples
- Uses a number-guessing loop, a rainfall dictionary tracker, and a Ubbi Dubbi character transformation.
- What you can do after
- Apply it via Python while True, break, and continue to build interactive loops with explicit termination and input validation.
Read how Python Workout, Second Edition explains infinite loop →
Related concepts
- loopimplemented by · A loop is a programming control-flow construct that repeatedly executes a block of instructions according to an iteration rule or continuation condition.
- do statementproduced by · A do statement is a loop construct that executes its body before testing a condition, so the body runs at least once.
- stopping criterionaddressed by · A stopping criterion is a condition or rule that determines when a process, computation, or sequence of actions should end.
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