in_str = "How are you"
list_result = in_str.split(" ")
out_str = "".join(list_result[::-1])
print(out_str)

e782915adafed78b6fe84c8ad03027b4b2d9ac4b
<mask token>

<mask token>
print(out_str)

in_str = 'How are you'
list_result = in_str.split(' ')
out_str = ''.join(list_result[::-1])
print(out_str)

in_str = "How are you"
list_result = in_str.split(" ")
out_str = "".join(list_result[::-1])
print(out_str)
