get_short_name.py

def get_short_name(full_name):
    names = full_name.split(' ')
    short_name = ''
    
    for i in range(len(names)):
        if i < len(names) - 1:
            short_name += names[i][0] + '. '
        else:
            short_name += names[i]
    return short_name;
 
print(get_short_name(input()))