Today I think about lambda in Python and what if we introduce the new syntax:
```python
def lock(*args, closure):
# Do some stuff
closure() # Call closure
# Finish stuff
if __name__ == '__main__':
lock():
# Do some things here is thread safe
```
This feature could be very similar as in `Kotlin` inline functions
https://kotlinlang.org/docs/reference/inline-functions.html
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