name1 = ' jan  '
name2 = ' kowalski'
full_name = f'{name1} {name2}'
print(full_name)

name1 = name1.strip()
name2 = name2.strip()
full_name = f'{name1} {name2}'
print(full_name)

full_name = full_name.title()
print(full_name)

print(f'Witaj, {full_name}!')
