"""Write a function to calculate the permutation coefficient of given p(n, k)."""

def permutation_coefficient(

Write a function to calculate the permutation coefficient of given p(n, k).
The function should be named `permutation_coefficient`.

Wrap your code in a python code block (i.e. ```python
your code here
```).

assert permutation_coefficient(10, 2) == 90
assert permutation_coefficient(10, 3) == 720
assert permutation_coefficient(10, 1) == 10


"""Write a function to remove specific words from a given list."""

def remove_words(

Write a function to remove specific words from a given list.
The function should be named `remove_words`.

Wrap your code in a python code block (i.e. ```python
your code here
```).

assert remove_words(['red', 'green', 'blue', 'white', 'black', 'orange'],['white', 'orange'])==['red', 'green', 'blue', 'black']
assert remove_words(['red', 'green', 'blue', 'white', 'black', 'orange'],['black', 'orange'])==['red', 'green', 'blue', 'white']
assert remove_words(['red', 'green', 'blue', 'white', 'black', 'orange'],['blue', 'white'])==['red', 'green', 'black', 'orange']


"""Write a function to check if the common elements between two given lists are in the same order or not."""

def same_order(

Write a function to check if the common elements between two given lists are in the same order or not.
The function should be named `same_order`.

Wrap your code in a python code block (i.e. ```python
your code here
```).


"""Write a python function to find the average of odd numbers till a given odd number."""

def average_Odd(

Write a python function to find the average of odd numbers till a given odd number.
The function should be named `average_Odd`.

Wrap your code in a python code block (i.e. ```python
your code here
```).

assert average_Odd(9) == 5
assert average_Odd(5) == 3
assert average_Odd(11) == 6


"""Write a function to find the number of subsequences having product smaller than k for the given non negative array."""

def no_of_subsequences(

Write a function to find the number of subsequences having product smaller than k for the given non negative array.
The function should be named `no_of_subsequences`.

Wrap your code in a python code block (i.e. ```python
your code here
```).

assert no_of_subsequences([1,2,3,4], 10) == 11
assert no_of_subsequences([4,8,7,2], 50) == 9
assert no_of_subsequences([5,6,7,8], 15) == 4