Day 6 of 2020 done in Python

2020/Day 6/Solution.py

@@ -0,0 +1,46 @@
+input_file = "input.txt"
+
+answers = []
+participants = []
+
+with open(input_file) as group_answers:
+    line = group_answers.readline()
+    answers.append({})
+    # Count from zero as the last line return is for the group separation
+    participant_count = 0
+
+    while line:
+        if line == "\n":
+            answers.append({})
+            participants.append(participant_count)
+            participant_count = 0
+            line = group_answers.readline()
+            continue
+
+        for character in line:
+            if character == '\n':
+                participant_count += 1
+                break
+
+            # Count answers for each questions
+            if character in answers[-1]:
+                answers[-1][character] += 1
+            else:
+                answers[-1][character] = 1
+
+        line = group_answers.readline()
+
+print(f"The total number of positive answers is {sum([len(answer_dict) for answer_dict in answers])}")
+
+sum_of_all_yes = 0
+
+# Compare the count of yes for each answer with the count of people in the group.
+# Do so by iterating over both arrays at once and then iterating over the keys of the answer dictionary.
+
+for index in range(len(participants)):
+    for key in answers[index]:
+        if answers[index][key] == participants[index]:
+            sum_of_all_yes += 1
+
+
+print(f"The total number of positive answer by each member of each group is {sum_of_all_yes}")