nori-solve.py

from string import ascii_lowercase as l

class CypherTable:
   def __init__(self):
      self.final_table = [l[i:]+l[:i] for i in range(len(l))]

ciphertext = "g4iu{ocs_oaeiiamqqi_qk_moam!}e0gi"
flag = ""
flag2 = ""
table = CypherTable().final_table
map_table = {}
map_table2 = {}
for i in range(26):
	if (table[i][i] not in map_table):
		map_table[table[i][i]] = table[0][i]
	map_table2[table[i][i]] = table[0][i]

# print map_table

for ch in ciphertext:
	if (ch in map_table):
		flag += map_table[ch]
		flag2 += map_table2[ch]
	else:
		flag += ch
		flag2 += ch

print "Flag:", flag
print "Flag:", flag2

# Flag: d4rk{how_uncreative_is_that!}c0de