In [17]:
s = """find . -name "{0}/*.markdown" | xargs sed -i '/{{% include ads/c\{{% include ads/jackpot_ad.html %}}'"""

In [18]:
print(s.format("ff/ff/"))


find . -name "ff/ff//*.markdown" | xargs sed -i '/{% include ads/c\{% include ads/jackpot_ad.html %}'

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