Python: read from txt file line by line, than convert and save other txt file line by line. Print works great, but can't save th

Question

from bitcoin import *
ListOfLines = open ("words.txt", "r")
def createFile():
wr = open("result.txt", "w")
for line in ListOfLines:
wr.write(line)
wr.write('\n')
wr.close()
def readFile():
rd = open ("result.txt", "r")
out = [] # list to save lines
while True:
line = rd.readline()
if not line :
break;
out.append(line.strip())
rd.close()
return out
def main():
createFile()
outList = readFile()
for line in outList:
Private_Key = sha256(line)
toPublic_Key = privtopub(Private_Key)
Create_Adress = pubtoaddr(toPublic_Key)
print("Adress="+Create_Adress)
print(Private_Key)
print(line.strip())
if __name__ == "__main__":
main()

Answer 1

you are calling your function 'createFile' (from your 'main' function) without/before having initialized the 'listOfLines' variable that you need to iterate inside it ^^