Break statement
A break statement terminates the nearest supported enclosing loop, switch, or similar control construct and transfers control to the following statement.
A Pythonic Adventure: From Python basics to a working web app
A break statement immediately terminates the innermost loop and continues execution after it.
- How it is used
- Uses break to stop repeated input once a valid menu choice is received.
- How deep it goes
- Explains break within a while True input loop and shows its placement, but does not develop broader loop-control cases.
- Examples
- Demonstrates a drinks menu that rejects invalid answers and accepts numbered choices or X/x to exit.
- What you can do after
- Build it from scratch by adding a while loop and break to a menu function.
Read how A Pythonic Adventure: From Python basics to a working web app explains break statement →
Python How-To
A break statement immediately terminates the innermost enclosing loop.
- How it is used
- Stops a task search as soon as the first matching urgency level is found.
- How deep it goes
- Explains immediate exit from `for` and `while` loops through conditional examples and a practical search.
- Examples
- Uses numbered loop output and urgency-based task searches to show where iteration stops.
- What you can do after
- Apply it to stop searching after a match and distinguish a match from normal loop completion.
Modern C, Third Edition
A break statement terminates the nearest enclosing switch or iteration statement and transfers control to the following statement.
- How it is used
- Uses early exit to control iteration and terminate selected switch branches.
- How deep it goes
- Explains loop and switch control flow with examples, while stopping short of broader execution mechanics.
- Examples
- Uses a Heron approximation loop, multiplicative-inverse program, and corvid switch examples.
- What you can do after
- Apply break in C loops and switch statements to implement conditional termination and prevent unintended fall-through.
Modern C
A break statement is a C control-flow statement that immediately terminates the nearest enclosing loop or switch statement.
- How it is used
- Uses an internal condition to terminate loops early and prevents switch fall-through.
- How deep it goes
- Defines execution semantics and demonstrates loop and switch cases, but defers broader control-flow details.
- Examples
- Demonstrates Heron approximation loops and character-selection switch statements with and without break.
- What you can do after
- Apply it via C loop and switch syntax to express early termination and prevent unintended case execution.
Python Workout, Second Edition
break is a Python statement that exits the innermost enclosing loop.
- How it is used
- Uses break to terminate interactive while True loops when a guessing or data-entry task reaches its stopping condition.
- How deep it goes
- Explains the infinite-loop pattern and innermost-loop behavior, but does not develop broader loop-control variations.
- Examples
- Demonstrates break through a number-guessing loop and a rainfall dictionary program.
- What you can do after
- Apply break to stop interactive Python loops at a clearly defined success or completion condition.
Read how Python Workout, Second Edition explains break statement →
Get Programming: Learn to code with Python
break is a Python control-flow statement that immediately terminates the innermost enclosing loop.
- How it is used
- Provides an early exit from for and while loops when an event inside the loop requires stopping.
- How deep it goes
- Explains immediate termination and post-loop handling, stopping short of deeper control-flow internals.
- Examples
- Uses a secret-word guessing game with a maximum-tries limit and a post-loop success check.
- What you can do after
- Practice/perform early loop exits and handle different termination reasons in guessing programs.
Read how Get Programming: Learn to code with Python explains break statement →
Python Workout: 50 ten-minute exercises
A Python control-flow statement that immediately terminates the innermost enclosing loop.
- How it is used
- Controls interactive loops by ending repetition when a guess succeeds or input signals completion.
- How deep it goes
- Defines innermost-loop termination and demonstrates it in two interactive programs, without developing nested-loop behavior.
- Examples
- Uses a number-guessing game and a menu-ordering loop that stops on empty input.
- What you can do after
- Apply it via Python control flow to end interactive loops at explicit success or sentinel conditions.
Read how Python Workout: 50 ten-minute exercises explains break statement →
Related concepts
- loopuses · A loop is a programming control-flow construct that repeatedly executes a block of instructions according to an iteration rule or continuation condition.
- case statementused by · A case or switch construct is a conditional control-flow construct that selects a branch or result from alternatives by matching a value or testing conditions.
- keywordkind of · A keyword is a language-defined word or token with a predefined syntactic or semantic role, often restricted from use as an ordinary identifier.
- select statementuses · A select statement is a language construct that retrieves selected data or chooses among alternative operations or cases according to the language's rules.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.