Finding a string multiple times in another String - Python

Question

I\'m trying to see if a string exists in another string with out using Python\'s predefined functions such as find and index..

Right now what my function takes 2 strings

Answer 1

You can do:

>>> haystack = "abcdefabc. asdli! ndsf acba saa abe?"
>>> needle = "abc"
>>> for i, _ in enumerate(haystack):
...     if haystack[i:i + len(needle)] == needle:
...         print (i)
...
0
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