|
29 | 29 | "np.__version__" |
30 | 30 | ] |
31 | 31 | }, |
| 32 | + { |
| 33 | + "cell_type": "markdown", |
| 34 | + "metadata": {}, |
| 35 | + "source": [ |
| 36 | + "## Differences between lists and NumPy Arrays\n" |
| 37 | + ] |
| 38 | + }, |
| 39 | + { |
| 40 | + "cell_type": "code", |
| 41 | + "execution_count": 3, |
| 42 | + "metadata": {}, |
| 43 | + "outputs": [], |
| 44 | + "source": [ |
| 45 | + "gpas_as_list = [4.0, 3.286, 3.5]" |
| 46 | + ] |
| 47 | + }, |
| 48 | + { |
| 49 | + "cell_type": "code", |
| 50 | + "execution_count": 4, |
| 51 | + "metadata": {}, |
| 52 | + "outputs": [ |
| 53 | + { |
| 54 | + "data": { |
| 55 | + "text/plain": [ |
| 56 | + "'Whatevs'" |
| 57 | + ] |
| 58 | + }, |
| 59 | + "execution_count": 4, |
| 60 | + "metadata": {}, |
| 61 | + "output_type": "execute_result" |
| 62 | + } |
| 63 | + ], |
| 64 | + "source": [ |
| 65 | + "# Can have elements appended to it\n", |
| 66 | + "gpas_as_list.append(4.0)\n", |
| 67 | + "# Can have multiple datatypes in it.\n", |
| 68 | + "gpas_as_list.insert(1, \"Whatevs\")\n", |
| 69 | + "# Can have items removed\n", |
| 70 | + "gpas_as_list.pop(1)" |
| 71 | + ] |
| 72 | + }, |
| 73 | + { |
| 74 | + "cell_type": "code", |
| 75 | + "execution_count": 5, |
| 76 | + "metadata": {}, |
| 77 | + "outputs": [ |
| 78 | + { |
| 79 | + "data": { |
| 80 | + "text/plain": [ |
| 81 | + "[4.0, 3.286, 3.5, 4.0]" |
| 82 | + ] |
| 83 | + }, |
| 84 | + "execution_count": 5, |
| 85 | + "metadata": {}, |
| 86 | + "output_type": "execute_result" |
| 87 | + } |
| 88 | + ], |
| 89 | + "source": [ |
| 90 | + "gpas_as_list" |
| 91 | + ] |
| 92 | + }, |
| 93 | + { |
| 94 | + "cell_type": "code", |
| 95 | + "execution_count": 6, |
| 96 | + "metadata": {}, |
| 97 | + "outputs": [], |
| 98 | + "source": [ |
| 99 | + "gpas = np.array(gpas_as_list)" |
| 100 | + ] |
| 101 | + }, |
| 102 | + { |
| 103 | + "cell_type": "code", |
| 104 | + "execution_count": 7, |
| 105 | + "metadata": {}, |
| 106 | + "outputs": [], |
| 107 | + "source": [ |
| 108 | + "?gpas" |
| 109 | + ] |
| 110 | + }, |
| 111 | + { |
| 112 | + "cell_type": "code", |
| 113 | + "execution_count": 8, |
| 114 | + "metadata": {}, |
| 115 | + "outputs": [ |
| 116 | + { |
| 117 | + "data": { |
| 118 | + "text/plain": [ |
| 119 | + "dtype('float64')" |
| 120 | + ] |
| 121 | + }, |
| 122 | + "execution_count": 8, |
| 123 | + "metadata": {}, |
| 124 | + "output_type": "execute_result" |
| 125 | + } |
| 126 | + ], |
| 127 | + "source": [ |
| 128 | + "gpas.dtype" |
| 129 | + ] |
| 130 | + }, |
| 131 | + { |
| 132 | + "cell_type": "code", |
| 133 | + "execution_count": 9, |
| 134 | + "metadata": {}, |
| 135 | + "outputs": [ |
| 136 | + { |
| 137 | + "data": { |
| 138 | + "text/plain": [ |
| 139 | + "8" |
| 140 | + ] |
| 141 | + }, |
| 142 | + "execution_count": 9, |
| 143 | + "metadata": {}, |
| 144 | + "output_type": "execute_result" |
| 145 | + } |
| 146 | + ], |
| 147 | + "source": [ |
| 148 | + "gpas.itemsize" |
| 149 | + ] |
| 150 | + }, |
| 151 | + { |
| 152 | + "cell_type": "code", |
| 153 | + "execution_count": 10, |
| 154 | + "metadata": {}, |
| 155 | + "outputs": [ |
| 156 | + { |
| 157 | + "data": { |
| 158 | + "text/plain": [ |
| 159 | + "4" |
| 160 | + ] |
| 161 | + }, |
| 162 | + "execution_count": 10, |
| 163 | + "metadata": {}, |
| 164 | + "output_type": "execute_result" |
| 165 | + } |
| 166 | + ], |
| 167 | + "source": [ |
| 168 | + "gpas.size" |
| 169 | + ] |
| 170 | + }, |
| 171 | + { |
| 172 | + "cell_type": "code", |
| 173 | + "execution_count": 11, |
| 174 | + "metadata": {}, |
| 175 | + "outputs": [ |
| 176 | + { |
| 177 | + "data": { |
| 178 | + "text/plain": [ |
| 179 | + "4" |
| 180 | + ] |
| 181 | + }, |
| 182 | + "execution_count": 11, |
| 183 | + "metadata": {}, |
| 184 | + "output_type": "execute_result" |
| 185 | + } |
| 186 | + ], |
| 187 | + "source": [ |
| 188 | + "len(gpas)" |
| 189 | + ] |
| 190 | + }, |
| 191 | + { |
| 192 | + "cell_type": "code", |
| 193 | + "execution_count": 12, |
| 194 | + "metadata": {}, |
| 195 | + "outputs": [ |
| 196 | + { |
| 197 | + "data": { |
| 198 | + "text/plain": [ |
| 199 | + "32" |
| 200 | + ] |
| 201 | + }, |
| 202 | + "execution_count": 12, |
| 203 | + "metadata": {}, |
| 204 | + "output_type": "execute_result" |
| 205 | + } |
| 206 | + ], |
| 207 | + "source": [ |
| 208 | + "gpas.nbytes" |
| 209 | + ] |
| 210 | + }, |
32 | 211 | { |
33 | 212 | "cell_type": "code", |
34 | 213 | "execution_count": null, |
|
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