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250`if` basics
251`if` body indentation
252`else` clauses
253`elif` chains
254Nested `if` statements
255Avoiding deep nesting
256Comparison with `and`/`or`
257Truthy checks
258`is None` checks
259Guard clauses
260Ternary expression
261Chained ternaries
262Conditional assignment
263Ternaries in comprehensions
264`match`/`case` intro
265Literal patterns
266Variable capture in match
267Wildcard `_` pattern
268OR patterns with `|`
269Sequence patterns
270Mapping patterns
271Class patterns
272Pattern guards with `if`

250`if` basics
251`if` body indentation
252`else` clauses
253`elif` chains
254Nested `if` statements
255Avoiding deep nesting
256Comparison with `and`/`or`
257Truthy checks
258`is None` checks
259Guard clauses
260Ternary expression
261Chained ternaries
262Conditional assignment
263Ternaries in comprehensions
264`match`/`case` intro
265Literal patterns
266Variable capture in match
267Wildcard `_` pattern
268OR patterns with `|`
269Sequence patterns
270Mapping patterns
271Class patterns
272Pattern guards with `if`

Lesson 255 of 1,289·6. ConditionalsPro lesson

Avoiding deep nesting

Refactoring nested ifs with early returns or `elif`.

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