Day_03

# day03
def calc_prio(ch):
    o = ord(ch)
    if o < 97:
        o = (o - 65) + 27
    else:
        o = (o - 97) + 1
    return o

with open("Input_Day03.txt") as f:
    raw_data = [x.strip() for x in f]

# part 1
prios = []
for line in raw_data:
    l = len(line) // 2
    inter = ''.join(set(line[:l]).intersection(set(line[l:])))
    prios.append(calc_prio(inter[0]))
print(f"Part 01: {sum(prios)}")

#part 2
groups = []
for i in range(0,len(raw_data)-2,3):
    inter = ''.join(set(raw_data[i]).intersection(set(raw_data[i+1])).intersection(set(raw_data[i+2])))
    groups.append(calc_prio(inter[0]))
print(f"Part 02: {sum(groups)}")