indent preformatted text by 4 spaces
n = int(raw_input(""))
lines = []
column = []
i = 0
while i < n:
var1, var2 = raw_input("").split()
lines.append(var1),
column.append(var2)
i += 1
i = 0
while i < n:
temp = int(lines[i])
temp1 = int(column[i])
j = 1
while j <= temp:
k = 1
if j % 2 == 0:
while k <= temp1:
if k % 2 == 0:
print ".",
else:
print "*",
k = k + 1
else:
while k <= temp1:
if k % 2 == 0:
print "*",
else:
print ".",
k = k + 1
print ""
j = j + 1
print ""
i = i + 1
What's wrong with code?