Minimized pipeline generating function.

pipe.py

def pipe(*functions):
    """Generate a pipeline with multiple functions.
    
    Arguments:
        *functions: multiple callables.
        
    Returns:
        A composed function.
        
    Examples:
        func = pipe(lambda x: x*2, lambda x: x+1)
        
        print(func(10))  # 21
        print(func(3))   # 7
    """
    def compose(f1, f2):
        return lambda x: f2(f1(x))

    return functools.reduce(compose, functions)