maze pattern

[angelbest4]

Hello I am a newbie to python and using python 3.
I wish to learn patterns and printing e.g stars etc. I want to make maze pattern but i confused to make maze no 2-no4
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No 2:
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No 4:
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This is my code maze no1:
def SimpleMaze(S):
bool=1
for i in range(S):
if (i+1)%2==0:
print('@'+' '*(S-2)+'@')
else:
if bool==1:
print('@'+' '+'@'*(S-2))
else:
print('@'*(S-2)+' '+'@')
bool=not bool
S= input("Nilai S:")
SimpleMaze(int(S))

[Larz60+]

please re-post preserving indentation (post using BBCODE and paste code using shift-ctrl-v)