diff --git a/source-code/cython/Primes/primes_pure_malloc.py b/source-code/cython/Primes/primes_pure_malloc.py
index 2594915..ee3706f 100644
--- a/source-code/cython/Primes/primes_pure_malloc.py
+++ b/source-code/cython/Primes/primes_pure_malloc.py
@@ -17,6 +17,6 @@ def primes(nr_primes: cython.int):
             primes[nr_found] = n
             nr_found += 1
         n += 1
-    result = [prime for prime in primes[:nr_found]]
+    result = list(primes[:nr_found])
     free(primes)
     return result
diff --git a/source-code/cython/Primes/primes_pure_python.py b/source-code/cython/Primes/primes_pure_python.py
index aeceabc..7aff934 100644
--- a/source-code/cython/Primes/primes_pure_python.py
+++ b/source-code/cython/Primes/primes_pure_python.py
@@ -3,8 +3,7 @@
 
 def primes(nr_primes: cython.int):
     primes: cython.int[1000]
-    if nr_primes > 1000:
-        nr_primes = 1000
+    nr_primes = min(nr_primes, 1000)
     if not cython.compiled:
         primes = [0] * 1000
         print('fall back on Python', file=sys.stderr)
@@ -18,4 +17,4 @@ def primes(nr_primes: cython.int):
             primes[nr_found] = n
             nr_found += 1
         n += 1
-    return [prime for prime in primes[:nr_found]]
+    return list(primes[:nr_found])
diff --git a/source-code/cython/Primes/primes_vanilla.py b/source-code/cython/Primes/primes_vanilla.py
index 7cc3d1b..7bad6b8 100644
--- a/source-code/cython/Primes/primes_vanilla.py
+++ b/source-code/cython/Primes/primes_vanilla.py
@@ -1,7 +1,6 @@
 def primes(nr_primes):
     primes = [0]*1000
-    if nr_primes > 1000:
-        nr_primes = 1000
+    nr_primes = min(nr_primes, 1000)
     n = 2
     nr_found = 0
     while nr_found < nr_primes: