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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# 8.1 命令式和符号式混合编程"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"10"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"def add(a, b):\n",
" return a + b\n",
"\n",
"def fancy_func(a, b, c, d):\n",
" e = add(a, b)\n",
" f = add(c, d)\n",
" g = add(e, f)\n",
" return g\n",
"\n",
"fancy_func(1, 2, 3, 4)"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"def add(a, b):\n",
" return a + b\n",
"\n",
"def fancy_func(a, b, c, d):\n",
" e = add(a, b)\n",
" f = add(c, d)\n",
" g = add(e, f)\n",
" return g\n",
"\n",
"print(fancy_func(1, 2, 3, 4))\n",
"\n",
"10\n"
]
}
],
"source": [
"def add_str():\n",
" return '''\n",
"def add(a, b):\n",
" return a + b\n",
"'''\n",
"\n",
"def fancy_func_str():\n",
" return '''\n",
"def fancy_func(a, b, c, d):\n",
" e = add(a, b)\n",
" f = add(c, d)\n",
" g = add(e, f)\n",
" return g\n",
"'''\n",
"\n",
"def evoke_str():\n",
" return add_str() + fancy_func_str() + '''\n",
"print(fancy_func(1, 2, 3, 4))\n",
"'''\n",
"\n",
"prog = evoke_str()\n",
"print(prog)\n",
"y = compile(prog, '', 'exec')\n",
"exec(y)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python [default]",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.3"
}
},
"nbformat": 4,
"nbformat_minor": 2
}