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single pass version of substring match #10

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single pass version of substring match #10

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10 changes: 10 additions & 0 deletions easy/substring.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,3 +13,13 @@ def substring(str1, str2):
return True
return False


# with single loop

def str_search(str1, str2):
for i in range(len(str2) - len(str1) + 1):
if str1 == str2[i:i+len(str1)]:
return True
else:
return False