all_different = lambda nums: len(set(nums)) == len(nums)
# ----------------------------------
x = 1
y = 2
z = 3
i = 4
j = 5
print( all_different([x,y,z,i,j]) )
# ----------------------------------
x = 1
y = 2
z = 3
i = 5
j = 5
print( all_different([x,y,z,i,j]) )
# ----------------------------------
x = 1
y = 1
z = 3
i = 5
j = 5
print( all_different([x,y,z,i,j]) )