diff --git a/.gitignore b/.gitignore
index b699a14..0b3d191 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,12 @@
 .git/
 .idea/
 .DS_Store
+# Runtime / temporary directories
+tmp/
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.pytest_cache/
+
 zapp.yaml
\ No newline at end of file
diff --git a/tmp/tmpfawu192m.jcl b/tmp/tmpfawu192m.jcl
deleted file mode 100644
index a7904dd..0000000
--- a/tmp/tmpfawu192m.jcl
+++ /dev/null
@@ -1,60 +0,0 @@
-
-//UPLOAD   JOB (ACCT),'UPLOAD',
-//             USER=@05054,PASSWORD=PASSWD,
-//             CLASS=A,MSGCLASS=H,NOTIFY=@05054
-//COPY     EXEC PGM=IEBUPDTE,PARM=NEW
-//SYSPRINT DD SYSOUT=*
-//SYSUT1   DD DUMMY
-//SYSUT2   DD DSN=@05054.SRCLIB.C,DISP=MOD,UNIT=SYSDA,
-//            DCB=(RECFM=FB,LRECL=80,BLKSIZE=0)
-//SYSIN    DD *
-./ ADD NAME=SIEVE08
-#include<stdio.h>                                                               
-                                                                                
-#define LIMIT 10000                                                             
-#define PRIMES 1000                                                             
-                                                                                
-                                                                                
-int main()                                                                      
-{                                                                               
-   int i,j,numbers[LIMIT];                                                      
-   int primes[PRIMES];                                                          
-                                                                                
-   for (i=0;i<LIMIT;i++)                                                        
-   {                                                                            
-      numbers[i]=i+2;                                                           
-   }                                                                            
-                                                                                
-   for (i=0;i<LIMIT;i++)                                                        
-   {                                                                            
-      if (numbers[i]!=-1)                                                       
-      {                                                                         
-         for (j=2*numbers[i]-2;j<LIMIT;j+=numbers[i])                           
-            numbers[j]=-1;                                                      
-      }                                                                         
-   }                                                                            
-                                                                                
-   j = 0;                                                                       
-   for (i=0;i<LIMIT&&j<PRIMES;i++)                                              
-     if (numbers[i]!=-1)                                                        
-        primes[j++] = numbers[i];                                               
-                                                                                
-   printf("\n");                                                                
-   printf("PRIME NUMBERS BETWEEN 1 AND %d\n",LIMIT);                            
-   printf("TOTAL PRIMES FOUND: %d\n\n",PRIMES);                                 
-   printf("LIST OF PRIMES:\n\n");                                               
-                                                                                
-   for (i=0;i<PRIMES;i++)                                                       
-      if (i % 20 == 0)                                                          
-      {                                                                         
-         printf("\n %4d ",primes[i]);                                           
-      }                                                                         
-      else                                                                      
-      {                                                                         
-         printf("%4d  ",primes[i]);                                             
-      }                                                                         
-                                                                                
-   return 0;                                                                    
-}                                                                               
-./ ENDUP
-/*
diff --git a/tmp/tmpfrgft9sq.jcl b/tmp/tmpfrgft9sq.jcl
deleted file mode 100644
index a7904dd..0000000
--- a/tmp/tmpfrgft9sq.jcl
+++ /dev/null
@@ -1,60 +0,0 @@
-
-//UPLOAD   JOB (ACCT),'UPLOAD',
-//             USER=@05054,PASSWORD=PASSWD,
-//             CLASS=A,MSGCLASS=H,NOTIFY=@05054
-//COPY     EXEC PGM=IEBUPDTE,PARM=NEW
-//SYSPRINT DD SYSOUT=*
-//SYSUT1   DD DUMMY
-//SYSUT2   DD DSN=@05054.SRCLIB.C,DISP=MOD,UNIT=SYSDA,
-//            DCB=(RECFM=FB,LRECL=80,BLKSIZE=0)
-//SYSIN    DD *
-./ ADD NAME=SIEVE08
-#include<stdio.h>                                                               
-                                                                                
-#define LIMIT 10000                                                             
-#define PRIMES 1000                                                             
-                                                                                
-                                                                                
-int main()                                                                      
-{                                                                               
-   int i,j,numbers[LIMIT];                                                      
-   int primes[PRIMES];                                                          
-                                                                                
-   for (i=0;i<LIMIT;i++)                                                        
-   {                                                                            
-      numbers[i]=i+2;                                                           
-   }                                                                            
-                                                                                
-   for (i=0;i<LIMIT;i++)                                                        
-   {                                                                            
-      if (numbers[i]!=-1)                                                       
-      {                                                                         
-         for (j=2*numbers[i]-2;j<LIMIT;j+=numbers[i])                           
-            numbers[j]=-1;                                                      
-      }                                                                         
-   }                                                                            
-                                                                                
-   j = 0;                                                                       
-   for (i=0;i<LIMIT&&j<PRIMES;i++)                                              
-     if (numbers[i]!=-1)                                                        
-        primes[j++] = numbers[i];                                               
-                                                                                
-   printf("\n");                                                                
-   printf("PRIME NUMBERS BETWEEN 1 AND %d\n",LIMIT);                            
-   printf("TOTAL PRIMES FOUND: %d\n\n",PRIMES);                                 
-   printf("LIST OF PRIMES:\n\n");                                               
-                                                                                
-   for (i=0;i<PRIMES;i++)                                                       
-      if (i % 20 == 0)                                                          
-      {                                                                         
-         printf("\n %4d ",primes[i]);                                           
-      }                                                                         
-      else                                                                      
-      {                                                                         
-         printf("%4d  ",primes[i]);                                             
-      }                                                                         
-                                                                                
-   return 0;                                                                    
-}                                                                               
-./ ENDUP
-/*