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start (string)code (string)end (string)
"g = 100; i = 1; l = [100, 100, 0, 0, -100, -100]"
"g += l[i]"
"g = 200; i = 1; l = [100, 100, 0, 0, -100, -100]"
"a = 1; b = 2; d = 4; i = 3; j = 2"
"i, j = a + (j - b), b + (d - (i - a))"
"a = 1; b = 2; d = 4; i = 1; j = 4"
"b = 15"
"b = b // 2"
"b = 7"
"a = [1, 2, 3, 1, 1, 2, 3, 1, 10]; j = 0"
"l = j - a[n + 4]"
"a = [1, 2, 3, 1, 1, 2, 3, 1, 10]; j = 0; l = -1; n = False"
"c = [3]; f = [[1, 3, 1], [2, 1, 2], [3, 3, 3]]; i = 0; j = 2"
"c[i] += f[j][i]"
"c = [6]; f = [[1, 3, 1], [2, 1, 2], [3, 3, 3]]; i = 0; j = 2"
"s = 'aabbcd'"
"o = set(s)"
"o = {'a', 'b', 'c', 'd'}; s = 'aabbcd'"
"f = 3; i = 13; j = 15"
"f = i ^ j"
"f = 2; i = 13; j = 15"
"f = 63; i = 11; j = 53"
"f = i ^ j"
"f = 62; i = 11; j = 53"
"a = 13; t = 13"
"t = t * a"
"a = 13; t = 169"
"b = 'ABACABA['; j = 3; l = 'AABABA'"
"l += b[j]"
"b = 'ABACABA['; j = 3; l = 'AABABAC'"
"f = '00001000'"
"r = f"
"f = '00001000'; r = '00001000'"
"c = 30; w = [4, 3, 2, 1, 1]; x = 2; y = 3"
"c = c + int(w[y]) * (x + 1)"
"c = 33; w = [4, 3, 2, 1, 1]; x = 2; y = 3"
"b = 24; w = 3"
"w = int(b ** 0.5)"
"b = 24; w = 4"
"p = 'cd'; u = {'c': 1}"
"u[p] = 1"
"p = 'cd'; u = {'c': 1, 'cd': 1}"
"a = [0, 2, 1]; l = [[1, 3, 1], [2, 1, 2], [3, 3, 3]]"
"l.append(a)"
"a = [0, 2, 1]; l = [[1, 3, 1], [2, 1, 2], [3, 3, 3], [0, 2, 1]]"
"c = 1; j = [[None, None, None, None], [None, None, None, None], [None, None, None, None], [None, None, None, None], [None, None, None, None], [None, None, None, 0]]; k = 3; v = None"
"v = j[c - 1][k]"
"c = 1; j = [[None, None, None, None], [None, None, None, None], [None, None, None, None], [None, None, None, None], [None, None, None, None], [None, None, None, 0]]; k = 3; v = None"
"i = 3; j = 11"
"j = i + 1"
"i = 3; j = 4"
"k = 1; q = [3, 9, 5]"
"r.append((k, q[k]))"
"k = 1; q = [3, 9, 5]; r = [(1, 9)]"
"j = 158"
"j += i"
"i = 64; j = 222"
"a = [[0, 2, 1], [1, 1, 1], [2, 0, 0]]; n = 3"
"n = len(a)"
"a = [[0, 2, 1], [1, 1, 1], [2, 0, 0]]; n = 3"
"c = 4; u = 4"
"c += u"
"c = 8; u = 4"
"i = [[0, '-'], [0, '-'], [0, '-'], [0, '-']]; x = [0, '-']"
"i.append(x)"
"i = [[0, '-'], [0, '-'], [0, '-'], [0, '-'], [0, '-']]; x = [0, '-']"
"a = 3; i = 1; l = [3, 3, 9, 9, 5]; m = 7"
"a = (a + l[i]) % m"
"a = 6; i = 1; l = [3, 3, 9, 9, 5]; m = 7"
"x = 'ab'; z = ['6', 'cd']"
"x = z[1]"
"x = 'cd'; z = ['6', 'cd']"
"l = 11; p = {(1): 0, (2): 1, (3): 1, (4): 1, (5): 1, (6): 1, (7): 1, (8): 2, (9): 2, (10): 2}; x = 5"
"p[l] = p[x] + 1"
"l = 11; p = {1: 0, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1, 8: 2, 9: 2, 10: 2, 11: 2}; x = 5"
"d = 7"
"d = d + 1"
"d = 8"
"k = 'one'; p = {'give': 1}"
"p[k] = 1"
"k = 'one'; p = {'give': 1, 'one': 1}"
"r = [6]"
"r.append(0)"
"r = [6, 0]"
"a = {1, 2, 3, 4, 5}"
"a.add(n)"
"a = {1, 2, 3, 4, 5}; n = 4"
"d = 6; k = 4"
"k = d"
"d = 6; k = 6"
"d = {(0): [], (1): [1, 7, 4], (2): [2]}"
"y = 1 if len(d[0]) > 0 else 0"
"d = {0: [], 1: [1, 7, 4], 2: [2]}; y = 0"
"i = 123; s = 138"
"i = s"
"i = 138; s = 138"
"k = '4'; q = '5'; v = '3'"
"q, v, k = [int(q), int(v), int(k)]"
"k = 4; q = 5; v = 3"
"b = 3"
"b = b + 0.0"
"b = 3.0"
"i = 6; k = 4; v = 100; x = [1, 2, 3, 4, 10, 20, 30, 40, 100, 200]"
"v = x[i + k - 1]"
"i = 6; k = 4; v = 200; x = [1, 2, 3, 4, 10, 20, 30, 40, 100, 200]"
"d = {'1': 1, '0': 3}; i = '1'"
"d[i] = d[i] + 1"
"d = {'1': 2, '0': 3}; i = '1'"
"i = 2; j = 5; q = [2, 1, 3, 3, 4]"
"q[i + 1] = j"
"i = 2; j = 5; q = [2, 1, 3, 5, 4]"
"v = '100000000000'"
"v += '0'"
"v = '1000000000000'"
"y = [1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0]"
"y = [0] * 26"
"y = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]"
"n = '10'; x = 99"
"n = str(x)"
"n = '99'; x = 99"
"h = 3"
"h = h + 1"
"h = 4"
"d = 1; q = 1; r = 0"
"q, r = divmod(d, 2)"
"d = 1; q = 0; r = 1"
"g = [13, 3]; k = '10'"
"g.append(int(k))"
"g = [13, 3, 10]; k = '10'"
"i = ['5', 'k']"
"r = int(i[0])"
"i = ['5', 'k']; r = 5"
"i = 2; v = [1, 3, 3, 3]"
"v[i] += v[i - 1]"
"i = 2; v = [1, 3, 6, 3]"
"a = '5'; b = '2'; c = '1001'"
"a, b, c = [int(a), int(b), int(c)]"
"a = 5; b = 2; c = 1001"
"a = 2; b = 687194767360; o = 687194767418"
"o += a ^ b"
"a = 2; b = 687194767360; o = 1374389534780"
"d = [0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0]; f = 10; i = 16"
"f += d[i] % 2"
"d = [0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0]; f = 11; i = 16"
"n = [999, 1, 1, 1, 0]"
"n.reverse()"
"n = [0, 1, 1, 1, 999]"
"c = 1; d = {'a': 2, 'b': 2, 'ab': 2, 'bb': 1, 'abb': 2}; w = 'b'"
"c += d[w] * (d[w] - 1) // 2"
"c = 2; d = {'a': 2, 'b': 2, 'ab': 2, 'bb': 1, 'abb': 2}; w = 'b'"
"i = ['a', 'b', 'b', 'a']"
"i.sort()"
"i = ['a', 'a', 'b', 'b']"
"b = '4'"
"b = int(b) - 1"
"b = 3"
"i = 1; k = 2; l = [2, 2, 1, 1, 1]; r = 0"
"r = l[i] - l[i + k - 1]"
"i = 1; k = 2; l = [2, 2, 1, 1, 1]; r = 1"
"l = [1, 1]"
"l.append(1)"
"l = [1, 1, 1]"
"b = [1, 0, 0, 1, 1, 1, 1, 1]; i = 0"
"b[i] = 0"
"b = [0, 0, 0, 1, 1, 1, 1, 1]; i = 0"
"l = '2 2'"
"m, n = [int(s) for s in l.split(' ')]"
"l = '2 2'; m = 2; n = 2"
"a = [1, 2, 3, 1, 1, 2, 3, 1, 10]; i = 3; j = 6; k = 2"
"k = j - a[i]"
"a = [1, 2, 3, 1, 1, 2, 3, 1, 10]; i = 3; j = 6; k = 5"
"k = 1024; p = 2401; s = 1000000007"
"k = k * p % s"
"k = 2458624; p = 2401; s = 1000000007"
"i = 9; l = 'hackerran'; n = 'hackerrank'"
"l = n[:i + 1]"
"i = 9; l = 'hackerrank'; n = 'hackerrank'"
"l = [1, 1]; s = [1, 2, 2]"
"l.append(s[0])"
"l = [1, 1, 1]; s = [1, 2, 2]"
"i = 1"
"e = i"
"e = 1; i = 1"
"j = [['-', '-', '-', '-', '-', 'to'], ['be'], [], ['be'], ['-', 'that'], [ 'question'], [], [], [], [], []]; x = 1; y = 'or'"
"j[x].append(y)"
"j = [['-', '-', '-', '-', '-', 'to'], ['be', 'or'], [], ['be'], ['-', 'that'], ['question'], [], [], [], [], []]; x = 1; y = 'or'"
"q = 1.5; s = 1.0"
"s += q"
"q = 1.5; s = 2.5"
"d = 4; i = 2; q = [7, 4, 6, 5, 9]"
"d = q[i]"
"d = 6; i = 2; q = [7, 4, 6, 5, 9]"
"y = ' 1111111111111111111111111111111'"
"y = y.replace(' ', '0')"
"y = '01111111111111111111111111111111'"
"k = {'c': 2, 'cd': 3, 'ccd': 1, 'ccdd': 1, 'd': 1, 'cdd': 1}; p = 'd'"
"k[p] += 1"
"k = {'c': 2, 'cd': 3, 'ccd': 1, 'ccdd': 1, 'd': 2, 'cdd': 1}; p = 'd'"
"b = [1, 2, 3, 7, 12, 14, 21]; i = 1"
"b.remove(i + 1)"
"b = [1, 3, 7, 12, 14, 21]; i = 1"
"n = 11.25; q = 6.25"
"q += n / 2"
"n = 11.25; q = 11.875"
"m = [False, False, False, False, False, False]"
"m.append(False)"
"m = [False, False, False, False, False, False, False]"
"e = 'h'; y = ['d', 'k', 'h', 'c']"
"y.remove(e)"
"e = 'h'; y = ['d', 'k', 'c']"
"v = 3"
"v += 1"
"v = 4"
"o = ['two', 'times', 'three', 'is', 'not', 'four']"
"o.sort()"
"o = ['four', 'is', 'not', 'three', 'times', 'two']"
"g = [1, 3, 4, 5, 6, 2]; o = '1 3 '; q = 2"
"o = o + str(g[q]) + ' '"
"g = [1, 3, 4, 5, 6, 2]; o = '1 3 4 '; q = 2"
"i = '('; q = ['{', '{', '[', '[']"
"q.append(i)"
"i = '('; q = ['{', '{', '[', '[', '(']"
"n = 1; o = 7"
"o += n"
"n = 1; o = 8"
"a = [-3, 7, -2, 3, 5, -2]; i = 4; q = 6"
"q = a[i]"
"a = [-3, 7, -2, 3, 5, -2]; i = 4; q = 5"
"f = [4, 2, 6, 1, 10]; i = 4; k = 3; x = 7; z = 7"
"z = min(x + k, f[i] + 1)"
"f = [4, 2, 6, 1, 10]; i = 4; k = 3; x = 7; z = 10"
"n = 4; r = 'aab'"
"n = len(r)"
"n = 3; r = 'aab'"
"i = 0; j = 3; p = [[0, 0, 0], [0, 1, 0], [0, 2, 0]]; v = 0"
"p.append([i, j, v])"
"i = 0; j = 3; p = [[0, 0, 0], [0, 1, 0], [0, 2, 0], [0, 3, 0]]; v = 0"
"c = ' '; i = 'K C'"
"i = i.replace(c, '')"
"c = ' '; i = 'KC'"
"c = 0; j = 1; l = [[0, 2, 4], [1, 3, 5]]"
"u = l[j][c]"
"c = 0; j = 1; l = [[0, 2, 4], [1, 3, 5]]; u = 1"
"k = 2; r = 70; y = [3, 6, 12, 24, 46]"
"r = r + y[k]"
"k = 2; r = 82; y = [3, 6, 12, 24, 46]"
"m = 1.9073486328125e-06; u = 2"
"m /= u"
"m = 9.5367431640625e-07; u = 2"
"c = 1; j = 2; k = [[1, 1, 2], [-1, 1, 2], [-1, -1, 4], [1, -1, 5]]; q = 2; x = -1"
"x, c, q = k[j]"
"c = -1; j = 2; k = [[1, 1, 2], [-1, 1, 2], [-1, -1, 4], [1, -1, 5]]; q = 4; x = -1"
"f = 3; y = 5"
"t = f + y"
"f = 3; t = 8; y = 5"
"i = 2; k = 9; s = '999100010001'"
"k = int(s[:i])"
"i = 2; k = 99; s = '999100010001'"
"k = 4; p = {'f': 1, 'a': 1, 'i': 1, 'l': 1}; q = 1; t = 'ifailuhkqq'"
"p[t[q + k]] = 1"
"k = 4; p = {'f': 1, 'a': 1, 'i': 1, 'l': 1, 'u': 1}; q = 1; t = 'ifailuhkqq'"
"q = dtype('float64')"
"m = q.type"
"m = <class 'numpy.float64'>; q = dtype('float64')"
"k = 1, 2; l = {(0, 1), (1, 1), (0, 5), (0, 4), (0, 3), (0, 2)}"
"l.add(k)"
"k = (1, 2); l = {(0, 1), (1, 2), (0, 2), (0, 5), (0, 4), (0, 3), (1, 1)}"
"b = 50; h = 295636"
"h = b"
"b = 50; h = 50"
"j = 0; l = [2, 4]"
"del l[j + 1]"
"j = 0; l = [2]"
"d = 1; x = 4"
"x += d"
"d = 1; x = 5"
"a = {(0, 1): 10}; b = 1; t = 10; v = 0"
"a[b, v] = t"
"a = {(0, 1): 10, (1, 0): 10}; b = 1; t = 10; v = 0"
"j = 86"
"j += i"
"i = -88; j = -2"
"c = 4; u = 2; y = [([], -1), ([3], -1), ([4], -1), ([1, 4], -1), ([3], -1), ([], -1), ([], -1)]"
"y[c][0].append(u)"
"c = 4; u = 2; y = [([], -1), ([3], -1), ([4], -1), ([1, 4], -1), ([3, 2], -1), ([], -1), ([], -1)]"
"b = [0, 3, -1, -1, -1, 8]; g = 9"
"b.append(g)"
"b = [0, 3, -1, -1, -1, 8, 9]; g = 9"
"l = 'h'; r = ['w', 'e', ' ', 'p', 'r', 'o', 'm', 't', 'l', 'y', 'n', 'i', 'q', 'v', 'b', 'c', 'k', 's', 'f']"
"r.append(l)"
"l = 'h'; r = ['w', 'e', ' ', 'p', 'r', 'o', 'm', 't', 'l', 'y', 'n', 'i', 'q', 'v', 'b', 'c', 'k', 's', 'f', 'h']"
"i = 3; j = 3; u = [[1, 1, 1, 0, 0, 0], [0, 1, 0, 0, 0, 0], [1, 1, 1, 0, 0, 0], [0, 0, 2, 4, 4, 0], [0, 0, 0, 2, 0, 0], [0, 0, 1, 2, 4, 0]]; x = 6"
"x = sum(u[i - 1][j - 1:j + 2]) + u[i][j] + sum(u[i + 1][j - 1:j + 2])"
"i = 3; j = 3; u = [[1, 1, 1, 0, 0, 0], [0, 1, 0, 0, 0, 0], [1, 1, 1, 0, 0, 0], [0, 0, 2, 4, 4, 0], [0, 0, 0, 2, 0, 0], [0, 0, 1, 2, 4, 0]]; x = 7"
"h = 4; r = [False, False, True, True, True]"
"r[h] = False"
"h = 4; r = [False, False, True, True, False]"
"b = 'AAA'; s = 'AAAA'"
"s = b"
"b = 'AAA'; s = 'AAA'"
End of preview (truncated to 100 rows)
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Python State Changes

State changes from the execution of single lines of Python code. All code was taken from Python HackerRank solutions.

Scraped from my dataset of traced HackerRank solutions. https://www.kaggle.com/frasergreenlee/ran-hackerrank-solutions

{"start": "g = 100; i = 1; l = [100, 100, 0, 0, -100, -100]", "code": "g += l[i]", "end": "g = 200; i = 1; l = [100, 100, 0, 0, -100, -100]"}
{"start": "a = 1; b = 2; d = 4; i = 3; j = 2", "code": "i, j = a + (j - b), b + (d - (i - a))", "end": "a = 1; b = 2; d = 4; i = 1; j = 4"}
{"start": "b = 15", "code": "b = b // 2", "end": "b = 7"}

Get an overview of the dataset from seeing the frequency of different ASTs.

👉 https://observablehq.com/@frasergreenlee/python-lines-dataset#chart

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