What will the value of z be, and why?

Question

def XXX():
S= open('ELEC.TXT', 'R')
f= S.read()
Z=
count=0
for i in Z:
count = count + 1
print(count)

Answer 1

Please don't put your code in the heading: it messes the indentation and is not testable. Rather put it in a playground script and link it here. :)

Answer 2

the code is incorrect
try running in code playground