If you want a dictonary consisting of repeating characters only for a given string in python.

repeated.py

# To get a dictionary of repeated characters in a given string

some_dict = {}
for i,c in enumerate("testing"):
  some_dict[c] = some_dict.get(c,0) + 1
some_dict = {key: value for key, value in some_dict.items() if value != 1}