Added solution to day 4 part 1

day4part1.py

@@ -0,0 +1,51 @@
+import re
+
+def file_to_string(file_path):
+    f = open(file_path, "r")
+    string = f.read()
+    f.close()
+    return string
+
+def split_on_empty_lines(string):
+    return re.split(r"(?:\r?\n){2,}", string.strip())
+
+def remove_newlines(splitted_string):
+    newlist = []
+    for i in splitted_string:
+        i = i.replace('\r', '').replace('\n', '')
+        newlist.append(i)
+    return newlist
+
+def compare_j_value(j):
+    if j == 7:
+        return "Valid"
+    else:
+        return "Invalid"
+
+def find_attributes(newlines_removed):
+    newlist = []
+    for i in newlines_removed:
+        j = 0
+        if "byr:" in i:
+            j = j + 1
+        if "iyr:" in i:
+            j = j + 1
+        if "eyr:" in i:
+            j = j + 1
+        if "hgt:" in i:
+            j = j + 1
+        if "hcl:" in i:
+            j = j + 1
+        if "ecl:" in i:
+            j = j + 1
+        if "pid:" in i:
+            j = j + 1
+        newlist.append(compare_j_value(j))
+    return newlist
+
+string = file_to_string("day4input.txt")
+splitted_string = split_on_empty_lines(string)
+newlines_removed = remove_newlines(splitted_string)
+list_of_valids_invalids = find_attributes(newlines_removed)
+print(list_of_valids_invalids)
+print(list_of_valids_invalids.count("Valid"))