def toggle_characters(s):
result = ""
for char in s:
if char.islower():
result += char.upper()
elif char.isupper():
result += char.lower()
else:
result += char
return result
input_string = "pyThoN"
print("Toggled characters:", toggle_characters(input_string))
'''
run:
Toggled characters: PYtHOn
'''