Task: Assign values to variables using the Set node

n8n workflow:
{"id":"141","name":"Assign values to variables using the Set node","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[450,300],"parameters":{"values":{"number":[{"name":"number","value":20}],"string":[{"name":"string","value":"From n8n with love"}],"boolean":[{"name":"boolean","value":true}]},"options":{}},"typeVersion":1}],"active":false,"settings":{},"connections":{"On clicking 'execute'":{"main":[[{"node":"Set","type":"main","index":0}]]}}}