Add simple list operations

pystd/random.py

@@ -1,7 +1,9 @@
+from typing import Sequence
+
 _seed = 0
 
 
-def seed(a: int, version: int = 2):
+def seed(a: int = None, version: int = 2):
     global _seed
     _seed = a
 
@@ -14,20 +16,42 @@ def setstate(state: object):
     ...
 
 
-def randbytes(n: int) -> bytes:
+def getrandbits(k) -> int:
     ...
 
 
-def getrandbits(k) -> int:
+def randbytes(n: int) -> bytes:
     ...
 
 
 def random() -> float:
     ...
 
 
+def uniform(a: float, b: float) -> float:
+    ...
+
+
 def randint(a: int, b: int) -> int:
     assert a <= b
     global _seed
     _seed = (69069 * _seed + 1) % 2**32
     return _seed % (b + 1 - a) + a
+
+
+def choice(seq: Sequence) -> object:
+    ...
+
+
+def choices(
+    population, weights=None, *, cumulative_weights=None, k=1
+) -> list:
+    ...
+
+
+def shuffle(seq: Sequence) -> object:
+    ...
+
+
+def sample(population, k, *, counts=None):
+    ...