Plz someone explain last for loop

Question

primary = {
"red": [255, 0, 0],
"green": [0, 255, 0],
"blue": [0, 0, 255],
}

for i in primary:
print(i)
print('\n')

for i in primary:
print(primary[i])
print('\n')

for i in primary:
print(i,primary[i])
print('\n')

for i,j in primary.items():
print(i,j[0],j[1],j[2])

Output :
red
green
blue

[255, 0, 0]
[0, 255, 0]
[0, 0, 255]

red [255, 0, 0]
green [0, 255, 0]
blue [0, 0, 255]

red 255 0 0
green 0 255 0
blue 0 0 255

Answer 1

Got it thnku