Write a Python program to count the frequency of each character in a string using a dictionary and print the dictionary sorted by keys.
A string s.
Print the dictionary representation sorted by keys.
1 <= len(s) <= 100
banana
{'a': 3, 'b': 1, 'n': 2}
Map each unique character to its count occurrence using a dictionary loop or `dict.get()`.
def char_count(s):
# Write your code here
pass
s = input()
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