NPr python

import math 
def fact(n):  
    if (n <= 1): 
        return 1
    return n * fact(n - 1)  
  
def nPr(n, r):  
    return math.floor(fact(n)/fact(n - r))  
    
print(nPr(4,2))

Similar codes

0 vote331 views2 answers
Mechanize python #6
Python
0 vote320 views2 answers
Convert pandas dataframe to spark dataframe
Python
0 vote296 views1 answer
Amazon response 503 python
Python
-1 vote342 views1 answer
How to sort columns alphabetically in pandas
Python
2 votes370 views1 answer
Flask for loops
Python Flask
1 vote319 views2 answers
Speech enhancement techniques
Python
-2 votes303 views6 answers
Django download
Python
1 vote326 views1 answer
Python enum
Python
0 vote341 views1 answer
2 functions at a time py
Python
0 vote314 views1 answer
New column in pandas with where logic
Python