---
source: crates/ruff_python_formatter/tests/fixtures.rs
input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_cases/bracketmatch.py
---
## Input

```py
for ((x in {}) or {})['a'] in x:
    pass
pem_spam = lambda l, spam = {
    "x": 3
}: not spam.get(l.strip())
lambda x=lambda y={1: 3}: y['x':lambda y: {1: 2}]: x
```

## Black Differences

```diff
--- Black
+++ Ruff
@@ -1,4 +1,4 @@
 for ((x in {}) or {})["a"] in x:
     pass
-pem_spam = lambda l, spam={"x": 3}: not spam.get(l.strip())
-lambda x=lambda y={1: 3}: y["x" : lambda y: {1: 2}]: x
+pem_spam = lambda x: True
+lambda x: True
```

## Ruff Output

```py
for ((x in {}) or {})["a"] in x:
    pass
pem_spam = lambda x: True
lambda x: True
```

## Black Output

```py
for ((x in {}) or {})["a"] in x:
    pass
pem_spam = lambda l, spam={"x": 3}: not spam.get(l.strip())
lambda x=lambda y={1: 3}: y["x" : lambda y: {1: 2}]: x
```