how to slice string column in data frame in Python

def strip_word(s:str):
    ''' function to strip parts of word '''

    # n is the start position
    n = s.find('/')
    n = n+2 # adjust for spaces

    # m is the end position
    m = s.find(') ')
    m = m+1 # adjust for zero index

    s_new = s[n:m]

    return s_new


df['Track3'] = df['menu_hint'].apply(strip_word)