python - How to simultaneously assign value to dictionary? -

when have existing dictionary, want simultaneously assign value it.

example:

it's sample dictionary.

people_list = {     "tom": none,     "david": none,     "traivs": none, } 

i want each of key:value pairs has same value.

this wanted result.

people_list = {     "tom": "hello",     "david": "hello",     "traivs": "hello", } 

except loop-statement, solve it?

one line:

people_list.update(dict.fromkeys(people_list.keys(),"hello"))