Pascal's triangle

Program to print n lines of Pascal's triangle.

Example output for n = 20:

                                                                        1                                                                         
                                                                    1      1                                                                      
                                                                 1      2      1                                                                  
                                                             1      3      3      1                                                               
                                                          1      4      6      4      1                                                           
                                                      1      5      10     10     5      1                                                        
                                                   1      6      15     20     15     6      1                                                    
                                               1      7      21     35     35     21     7      1                                                 
                                            1      8      28     56     70     56     28     8      1                                             
                                        1      9      36     84    126    126     84     36     9      1                                          
                                     1      10     45    120    210    252    210    120     45     10     1                                      
                                 1      11     55    165    330    462    462    330    165     55     11     1                                   
                              1      12     66    220    495    792    924    792    495    220     66     12     1                               
                          1      13     78    286    715    1287   1716   1716   1287   715    286     78     13     1                            
                       1      14     91    364    1001   2002   3003   3432   3003   2002   1001   364     91     14     1                        
                   1      15    105    455    1365   3003   5005   6435   6435   5005   3003   1365   455    105     15     1                     
                1      16    120    560    1820   4368   8008  11440  12870  11440   8008   4368   1820   560    120     16     1                 
            1      17    136    680    2380   6188  12376  19448  24310  24310  19448  12376   6188   2380   680    136     17     1              
         1      18    153    816    3060   8568  18564  31824  43758  48620  43758  31824  18564   8568   3060   816    153     18     1          
     1      19    171    969    3876  11628  27132  50388  75582  92378  92378  75582  50388  27132  11628   3876   969    171     19     1       
  1      20    190    1140   4845  15504  38760  77520  125970 167960 184756 167960 125970 77520  38760  15504   4845   1140   190     20     1   

How to use

To start program:

python main.py

You could also path number of lines to print as an argument:

python main.py 12

If you want to work with project, you might also install the pipenv and setup virtual environment and anything else:

pipenv shell

Install development dependencies, listed in Pipfile

pipenv install --dev

License

This project is licensed under The GNU General Public License v3.0