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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/write_to_debug_expr.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..83,
body: [
Delete(
StmtDelete {
node_index: NodeIndex(None),
range: 0..13,
targets: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 4..13,
id: Name("__debug__"),
ctx: Del,
},
),
],
},
),
Delete(
StmtDelete {
node_index: NodeIndex(None),
range: 14..36,
targets: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 18..19,
id: Name("x"),
ctx: Del,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 21..22,
id: Name("y"),
ctx: Del,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 24..33,
id: Name("__debug__"),
ctx: Del,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 35..36,
id: Name("z"),
ctx: Del,
},
),
],
},
),
Assign(
StmtAssign {
node_index: NodeIndex(None),
range: 37..50,
targets: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 37..46,
id: Name("__debug__"),
ctx: Store,
},
),
],
value: NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 49..50,
value: Int(
1,
),
},
),
},
),
Assign(
StmtAssign {
node_index: NodeIndex(None),
range: 51..82,
targets: [
Tuple(
ExprTuple {
node_index: NodeIndex(None),
range: 51..69,
elts: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 51..52,
id: Name("x"),
ctx: Store,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 54..55,
id: Name("y"),
ctx: Store,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 57..66,
id: Name("__debug__"),
ctx: Store,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 68..69,
id: Name("z"),
ctx: Store,
},
),
],
ctx: Store,
parenthesized: false,
},
),
],
value: Tuple(
ExprTuple {
node_index: NodeIndex(None),
range: 72..82,
elts: [
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 72..73,
value: Int(
1,
),
},
),
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 75..76,
value: Int(
2,
),
},
),
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 78..79,
value: Int(
3,
),
},
),
NumberLiteral(
ExprNumberLiteral {
node_index: NodeIndex(None),
range: 81..82,
value: Int(
4,
),
},
),
],
ctx: Load,
parenthesized: false,
},
),
},
),
],
},
)
```
## Semantic Syntax Errors
|
1 | del __debug__
| ^^^^^^^^^ Syntax Error: cannot delete `__debug__` on Python 3.14 (syntax was removed in 3.9)
2 | del x, y, __debug__, z
3 | __debug__ = 1
|
|
1 | del __debug__
2 | del x, y, __debug__, z
| ^^^^^^^^^ Syntax Error: cannot delete `__debug__` on Python 3.14 (syntax was removed in 3.9)
3 | __debug__ = 1
4 | x, y, __debug__, z = 1, 2, 3, 4
|
|
1 | del __debug__
2 | del x, y, __debug__, z
3 | __debug__ = 1
| ^^^^^^^^^ Syntax Error: cannot assign to `__debug__`
4 | x, y, __debug__, z = 1, 2, 3, 4
|
|
2 | del x, y, __debug__, z
3 | __debug__ = 1
4 | x, y, __debug__, z = 1, 2, 3, 4
| ^^^^^^^^^ Syntax Error: cannot assign to `__debug__`
|