Community Data Science Course (Spring 2019)/Day 4 Coding Challenges

1. Rework all of The day 3 challenges.
2. Get the ratio of names that start with each letter.
   1. Do this for boys and girls.
   2. Hint First line of output is a boys: 0.10120456305133887 girls: 0.18231978026407467
3. Are girls or boys more likely to have a name that is used by both genders?