rx/operators/observable/let.py
def let(self, func, *args, **kwargs) -> ObservableBase:
    """Returns an observable sequence that is the result of invoking the
    mapper on the source sequence, without sharing subscriptions. This
    operator allows for a fluent style of writing queries that use the
    same sequence multiple times.

    mapper -- Selector function which can use the source
        sequence as many times as needed, without sharing subscriptions to
        the source sequence.

    Returns an observable sequence that contains the elements of a
    sequence produced by multicasting the source sequence within a
    mapper function.

    Any kwargs given will be passed through to the mapper. This allows
    for a clean syntax when composing with parameterized mappers.
    """

    return func(self, *args, **kwargs)
Returns an observable sequence that is the result of invoking the
    mapper on the source sequence, without sharing subscriptions. This
    operator allows for a fluent style of writing queries that use the
    same sequence multiple times.

    mapper -- Selector function which can use the source
        sequence as many times as needed, without sharing subscriptions to
        the source sequence.

    Returns an observable sequence that contains the elements of a
    sequence produced by multicasting the source sequence within a
    mapper function.

    Any kwargs given will be passed through to the mapper. This allows
    for a clean syntax when composing with parameterized mappers.
    
Returns an observable sequence that is the result of invoking the
mapper on the source sequence, without sharing subscriptions. This
operator allows for a fluent style of writing queries that use the
same sequence multiple times.

- Selector function which can use the source
sequence as many times as needed, without sharing subscriptions to
the source sequence.

Returns an observable sequence that contains the elements of a
sequence produced by multicasting the source sequence within a
mapper function.

Any kwargs given will be passed through to the mapper. This allows
for a clean syntax when composing with parameterized mappers.
Returns an observable sequence that is the result of invoking the mapper on the source sequence without sharing subscriptions . This operator allows for a fluent style of writing queries that use the same sequence multiple times . - Selector function which can use the source sequence as many times as needed without sharing subscriptions to the source sequence . Returns an observable sequence that contains the elements of a sequence produced by multicasting the source sequence within a mapper function . Any kwargs given will be passed through to the mapper . This allows for a clean syntax when composing with parameterized mappers .
def let(self, func, *args, **kwargs) -> ObservableBase:
    return func(self, *args, **kwargs)
def let ( self , func , * args , ** kwargs ) -> ObservableBase : return func ( self , * args , ** kwargs )
Returns an observable sequence that is the result of invoking the
mapper on the source sequence, without sharing subscriptions.
Returns an observable sequence that is the result of invoking the mapper on the source sequence without sharing subscriptions .
"""Returns an observable sequence that is the result of invoking the
    mapper on the source sequence, without sharing subscriptions. This
    operator allows for a fluent style of writing queries that use the
    same sequence multiple times.

    mapper -- Selector function which can use the source
        sequence as many times as needed, without sharing subscriptions to
        the source sequence.

    Returns an observable sequence that contains the elements of a
    sequence produced by multicasting the source sequence within a
    mapper function.

    Any kwargs given will be passed through to the mapper. This allows
    for a clean syntax when composing with parameterized mappers.
    """
self
func