# chars = "st"
# file = open("file.txt", "r")
# file_contents = file.read()
# b = file_contents.split()
# b = ''.join(b)
# b = b.replace('.', '').replace(',', '').replace('!', '').replace('\n', '').replace('?', '')
# new_letter = b.lower()
# for char in chars:
#   count = new_letter.count(char)
#   if count > 1:
#     print(char, count)
