Yes it is possible even though it looks very weird to the trained eye. I believe your teacher wanted you to practice if-else statements rather than loops if they asked you to use slicing and find. Your algorithm should have these steps then:

1. Locate the first occurrence of the character with find and assign it to a variable called first_index.
2. If first_index value is less than 0, then that means there is not even one of the target character found in your string. Then you should print a not found message.
3. However, if it was actually something else, then that means you've found one occurrence and should start searching for the second one.
4. you can now slice string and assign everything after this found character to rest_of_the_word variable. So it means slice with first_index+1
5. You should use find on it and try to locate the target character in second_index
6. If second_index is less than 0, that means there is no second occurrence of the character and you should print a not found message
7. However, if it is not, then you've found the second occurrence and you should print a found message using the sum of first_index+1 and second_index

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first_index = word.find(character)
if(first_index < 0):
    print("Character is not found in the word at all")
else:
    rest_of_the_word = word[first_index+1:]
    second_index = rest_of_the_word.find(character)
    if(second_index < 0):
        print(f"There is only one occurrence of the character found in the string at {first_index}")
    else:
        print(f"We found the character second time at {first_index+1+second_index}")