print_char_frequency

Your mission

Write a function that takes a string as an argument and displays the frequency of each character in alphabetical order

See it in action

print_char_frequency("abcdef")

a1b1c1d1e1f1

print_char_frequency("grademe")

a1d1e2g1m1r1

print_char_frequency("")

(empty result)

print_char_frequency("1337")

(empty result)

Your checklist

• Count the occurrences of each lowercase letter from a to z
• Display only characters that appear in the string
• Display each character followed by its number of occurrences
• Characters must be displayed in alphabetical order
• Use write() for output
• Print a newline at the end