Added different queries & unittests

src/cpl_query/_query/where_query.py

@@ -0,0 +1,13 @@
+from cpl_query.extension.iterable_abc import IterableABC
+
+
+def where_query(_list: IterableABC, _func: str) -> IterableABC:
+    result = IterableABC()
+    for element in _list:
+        element_type = type(element).__name__
+        if element_type in _func:
+            func = _func.replace(element_type, 'element')
+            if eval(func):
+                result.append(element)
+
+    return result