atul-chaudhary

#to check wheather the given parenthesis are valid  or not implementation is done using stack
pat = '[({()})[]}'
lst = []
srt_pat = ['{', '(', '[']
cls_pat = ['}', ')', ']']
chec_lst=['{}','()','[]']
for i in range(len(pat)):
    if (pat[i] in srt_pat):
        lst.append(pat[i])
    else:

atul-chaudhary

a = [[1, 2, 3, 4, 5, 6],
     [7, 8, 9, 10, 11, 12],
     [13, 14, 15, 16, 17, 18]]

int_row = 0
last_row = 3
int_col = 0
last_col = 6

while(int_row<=last_row and int_col<=last_col):

atul-chaudhary

a = [[1, 2, 3, 4, 5, 6],
     [7, 8, 9, 10, 11, 12],
     [13, 14, 15, 16, 17, 18]]

int_row = 0
last_row = 3
int_col = 0
last_col = 6

while(int_row<=last_row and int_col<=last_col):

atul-chaudhary

enter the height=3
enter the width=3
enter the number of stairs=3
      @@@   @@@
      @@     @@
      @       @
   @@@         @@@
   @@           @@
   @             @
@@@               @@@

atul-chaudhary

enter the height=3
enter the width=3
enter the number of stairs=3
      @@@
      @@
      @
   @@@
   @@
   @
@@@

atul-chaudhary

pattern runs for both odd and even number starting from n==3
n==3
* * * * * 
*   *   *
*  * *  *
* * * * *
n==4
* * * * * * 
*    *    *
*   * *   *

atul-chaudhary

#pattern run for only off number like ->3,5,7,9,11 etc
#n==3
***********
*    |    *
*    *    *
*---***---*

#for n==5
*****************
*       |       *

atul-chaudhary

#for n==9
*             *             *
*            ***            *
*           *****           *
*          *******          *
*---------*********---------*
*          *******          *
*           *****           *
*            ***            *
*             *             *

atul-chaudhary

#only runs for 1,3 and 5
#pattern is 
#n==5
     1
    232
   34543
  4567654
 567898765
#for n==3
   1

atul-chaudhary

#webkul pattern program round 1 
#pattern runs for odd number like min 3 , 5, 7 etc
#here is ther pattern
#for n==3
*       *
**     **
***@@@***
   @@@
   @@@
   ***