added pypool example

Python pool/pypool.py

@@ -0,0 +1,60 @@
+import multiprocessing
+import time
+from string import punctuation
+
+text = "Hello World!, this is the text to be reduced. We need to split this text and then remove all the words shorter than 5 characters. " * 100
+
+def clean_word(word):
+    for c in word:
+        if c in punctuation:
+            word = word.replace(c,'')
+    if len(word) > 5:
+        return word
+
+def clean_word_multi(word, word_len):
+    for c in word:
+        if c in punctuation:
+            word = word.replace(c,'')
+    if len(word) > word_len:
+        return word
+
+if __name__ == '__main__':
+    ### SINGLE PARAMETER ###
+    # For loop
+    start_time = time.perf_counter()
+    result = []
+    for word in text.split():
+        result.append(clean_word(word))
+    print('For Loop:', time.perf_counter() - start_time)
+
+    # List Comprehension
+    start_time = time.perf_counter()
+    result = [clean_word(word) for word in text.split()]
+    print('List Comprehension:', time.perf_counter() - start_time)
+
+    # Multiprocessing
+    start_time = time.perf_counter()
+    p = multiprocessing.Pool(processes=4)
+    result = p.map(clean_word, text.split())
+    print('Pool:', time.perf_counter() - start_time)
+    print()
+
+    ### MULTI PARAMETER ###
+    # For loop
+    start_time = time.perf_counter()
+    result = []
+    for word in text.split():
+        result.append(clean_word_multi(word, 5))
+    print('For Loop:', time.perf_counter() - start_time)
+
+    # List Comprehension
+    start_time = time.perf_counter()
+    result = [clean_word_multi(word, 5) for word in text.split()]
+    print('List Comprehension:', time.perf_counter() - start_time)
+
+    # Multiprocessing
+    start_time = time.perf_counter()
+    p = multiprocessing.Pool(processes=4)
+    result = p.starmap(clean_word_multi, [(word, 5) for word in text.split()])
+    print('Pool:', time.perf_counter() - start_time)
+    print()