word_reducer_2.py

print('########################################')
print('############### Welcome! ###############')
print('########################################')
word = input('Enter word that needs to be reduced one letter by one: ')

counter = len(word)
for letter in word:
    current_result = ''
    counter -= 1
    for c in range(counter):
        current_result += word[c]
    print(current_result)

print('############### DONE! ###############')