12_01_15_challenge.md

Challenge 1: Count It

count the letters in a string.

Input

A string - like "Hello World"

Output

Letters and how often they show up. - d:1 e:1 h:1 l:3 o:2 r:1 w:1

Special

convert all to lowercase. Ignore whitespace and anything not a-z

Challenge input:

"The quick brown fox jumps over the lazy dog and the sleeping cat early in the day."

Source

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Challenge 2: Ramp Numbers

A ramp number is a number whose digits from left to right either only rise or stay the same. 1234 is a ramp number as is 1124. 1032 is not.

Input

A positive integer, n.

Output

true if the input is a ramp number, false if it is not