update a1 notebook
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"outputs": [],
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"outputs": [],
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"source": [
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"source": [
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"# util contains functions that make it easier to form strings \n",
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"# Helper functions\n",
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"# from languages, and give output that matches with expected \n",
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"def get_all_strings_with_a_given_alphabet_and_length(_alphabet, _length):\n",
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"# output for the homework, (replace empty string with epsilon)\n",
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"\t_strings = ['']\n",
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"from util import *"
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"\tfor itr in range(_length):\n",
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"\t\t_string = [s + c for s in _strings for c in _alphabet]\n",
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"\t\t_strings += _string\n",
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"\n",
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"\t# Remove duplicates (set() isn't as nice as it doesn't preserve order, at least for verification purposes)\n",
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"\t_strings = list(dict.fromkeys(_strings))\n",
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"\treturn _strings\n",
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"\n",
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"\n",
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"def replace_empty_string_with_symbol(_strings):\n",
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"\tsymbol = 'ε'\n",
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"\tfor itr in range(len(_strings)):\n",
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"\t\tif _strings[itr] == '':\n",
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"\t\t\t_strings[itr] = symbol\n",
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"\treturn _strings\n",
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"\n",
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"\n",
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"def print_strings(_strings):\n",
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"\t_strings = replace_empty_string_with_symbol(_strings)\n",
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"\t# print(len(strings))\n",
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"\tprint(_strings)"
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]
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]
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},
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},
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{
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{
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@ -59,8 +79,8 @@
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"start_time": "2024-01-18T21:45:24.278399500Z"
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}
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}
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},
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},
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"outputs": [
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"outputs": [
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@ -104,8 +124,8 @@
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"outputs": [
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@ -148,8 +168,8 @@
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"outputs": [
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@ -190,8 +210,8 @@
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@ -241,8 +261,8 @@
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@ -331,8 +351,8 @@
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"outputs": [
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