itertools and scrabble

Author: sksehdev

days/19-21-itertools/code/Bite64.py

@@ -0,0 +1,14 @@
+import itertools
+
+names = 'Tim Bob Julian Carmen Sofia Mike Kim Andre'.split()
+locations = 'DE ES AUS NL BR US'.split()
+confirmed = [False, True, True, False, True]
+
+
+def get_attendees():
+    for participant in itertools.zip_longest(names, locations, confirmed,fillvalue='-'):
+      print(participant)
+
+
+if __name__ == '__main__':
+    get_attendees()

days/19-21-itertools/code/Bite65.py

@@ -0,0 +1,35 @@
+import itertools
+import os
+import urllib.request
+
+# PREWORK
+DICTIONARY = os.path.join('/tmp', 'dictionary.txt')
+urllib.request.urlretrieve('http://bit.ly/2iQ3dlZ', DICTIONARY)
+
+with open(DICTIONARY) as f:
+    dictionary = set([word.strip().lower() for word in f.read().split()])
+
+
+def get_possible_dict_words(draw):
+    """Get all possible words from a draw (list of letters) which are
+       valid dictionary words. Use _get_permutations_draw and provided
+       dictionary"""
+    all_words = _get_permutations_draw(draw)
+    valid_words = [word for word in all_words if word in dictionary]
+    return valid_words
+    pass
+
+def _get_permutations_draw(draw):
+    """Helper to get all permutations of a draw (list of letters), hint:
+       use itertools.permutations (order of letters matters)"""
+    all_words = []
+
+    for i in range(2, len(draw)):
+        for word in itertools.permutations(draw, i):
+            all_words.append("".join(word).lower())
+    return all_words
+    pass
+
+draw1 = 'T, I, I, G, T, T, L'.split(", ")
+print(draw1)
+print(get_possible_dict_words(draw1))

days/19-21-itertools/code/Bites17.py

@@ -0,0 +1,12 @@
+from itertools import permutations, combinations
+
+def friends_teams(friends,team_size=2,order_does_matter=False):
+    if order_does_matter:
+        return list(permutations(friends, team_size))
+    else:
+        return list(combinations(friends, team_size))
+
+friends = friends = 'Bob Dante Julian Martin'.split()
+
+print(friends_teams(friends, 2, True))
+print(friends_teams(friends))

days/19-21-itertools/code/traffic_lights1.py

@@ -0,0 +1,22 @@
+import itertools
+import time
+import random
+
+traffic_lights = itertools.cycle("green amber red".split())
+
+
+def rotate_traffic_lights():
+    for color in traffic_lights:
+      if color == "amber":
+          print("Ready to stop")
+          time.sleep(3)
+      if color == "red":
+          print("Stop")
+          time.sleep(random.randint(3,7))
+      if color == "green":
+          print("Go and keep going")
+          time.sleep(random.randint(3,7))
+
+
+
+rotate_traffic_lights()