add remaining code and input files from 2020

AoC2020/code/AoC06.py

@@ -0,0 +1,32 @@
+
+
+# count answers in that group
+def count_answers(line):
+    my_list = list(line)
+    my_set = set(my_list)
+    length = len(my_set)
+    return length
+
+
+# count which answers were answered by all
+def count_answers_all(group):
+    answers = group.split('\n')
+
+    z = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+         'u', 'v', 'w', 'x', 'y', 'z'}
+    intersect = z.intersection(* [set(answer) for answer in answers if answer != ''])
+    return len(intersect)
+
+
+with open(r"C:\Users\Maya\Desktop\Uni\WS_2021\AoC\input06") as f:
+    lines = f.read()
+
+    # count answered letters
+    lines1 = lines.replace("\n\n", '\t').replace("\n", "").split("\t")
+    count = sum(count_answers(l) for l in lines1)
+    print(count)
+
+    # count answered by all
+    groups = lines.split("\n\n")
+    count2 = sum(count_answers_all(g) for g in groups)
+    print(count2)