Advent of Code 2020 Day 1: Report Repair ⭐ ⭐ Day 2: Password Philosophy ⭐ ⭐ Day 3: Toboggan Trajectory ⭐ ⭐ Day 4: Passport Processing ⭐ ⭐ Day 5: Binary Boarding ⭐ ⭐ Day 6: Custom Customs ⭐ ⭐ Day 7: Handy Haversacks ⭐ ⭐