logging

Author: Aseem Jain

Diff for: REFERENCE_SHEET.py

@@ -80,6 +80,15 @@
 
 print(a)
 
+#####################################
+# convert num to char and char to number
+ord('a')
+# >>> 97
+chr(97)
+# >>> 'a'
+chr(ord('a') + 3)
+# >>> 'd'
+
 #####################################
 # check if char or string contains special chars, is numeric, is a negative number or alphabetic
 
@@ -505,12 +514,20 @@ def sub_this(x: int, obj:Custom) -> str:
 s_k_t = sorted(m.items(),key=lambda i:i[0])
 s_v_t = sorted(m.items(),key=lambda i:i[1])
 
-# converted sorted tuple into new map sorted by
+# converted tuple into map by
 s_k_m = {}
-for k,v in s_k_t: s_k_m[k]=v
+for k,v in s_k_t:
+    s_k_m[k]=v
+
+##### Deep clone a map by using dictionary compehension
+
+# manual copy at first level
+deep_copied_map = { k:v.copy() for k,v in map.items() }
+
+# in build method
+import copy
+deep_copied_map = copy.deepcopy(s_k_m)
 
-s_v_m = {}
-for k,v in s_v_t: s_v_m[k]=v
 
 
 #####################################

Diff for: algorithm_and_datastructure/cache/cache_implementation.py renamed to algorithm_and_datastructure/cache/simple_cache.py

@@ -15,16 +15,26 @@
 
 """
 
+data = [ chr(ord("a")+x) for x in range(10)]
 
-def sol(n):
-    return n * 2
+cache = { }
+
+def load_cache(x):
+    cache[x] = [1]
+
+def get_data(x):
+    if cache.get(x):
+        return "hit"
+    load_cache(x)
+    return "miss"
 
 
 test_data = [
-    (2, 4),
-    (4, 8),
+    ("a", "miss"),
+    ("a", "hit"),
+    ("b", "miss"),
 ]
 
 for given, expected in test_data:
-    assert expected == sol(given)
+    assert expected == get_data(given)
     print(f"Test passed for: given {given} and expected = {expected}")

Diff for: concepts/logging/simple_log.py

@@ -0,0 +1,12 @@
+"""
+@Author: Aseem Jain
+@Linkedin: https://www.linkedin.com/in/premaseem/
+@Github: https://github.com/premaseem/pythonLab/tree/master/challenge
+
+"""
+import logging
+LOG_FORMAT = "%(levelname)s %(asctime)s "
+logging.basicConfig(filename="splunk.log", format = LOG_FORMAT, level=logging.DEBUG, filemode="w")
+logger = logging.getLogger()
+logger.debug("This is broken now")
+