nums = "123456789" lets = "abcdefghijklmnopqrstuvwxyz"

for n1 in nums: for n2 in nums: for n3 in nums: for l1 in lets: for l2 in lets: for l3 in lets: for l4 in lets: print(f"{n1}{n2}{n3}{l1}{l2}{l3}{l4}")

Quadratic Formula x=-b+-sqrtb^2-4ac/2a

test

importing math