MOD01_1-1.4_Intro_Python.ipynb

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    "# 1-1.4 Intro Python\n",
    "##  Getting started with Python in Jupyter Notebooks\n",
    "- Python 3 in Jupyter notebooks\n",
    "- `print()`\n",
    "- comments  \n",
    "- data types basics\n",
    "- variables  \n",
    "- **Addition with Strings and Integers**\n",
    "- **Errors**  \n",
    "- character art  \n",
    "\n",
    "-----\n",
    "\n",
    "\n",
    "><font size=\"5\" color=\"#00A0B2\"  face=\"verdana\"> <B>Student will be able to</B></font>\n",
    "- use Python 3 in Jupyter notebooks\n",
    "- write working code using `print()` and `#` comments  \n",
    "- write working code using `type()` and variables\n",
    "- combine Strings using string addition (+)\n",
    "- **add numbers in code (+)**  \n",
    "- **troubleshoot errors**  \n",
    "- create character art"
   ]
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   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Concepts</B></font>\n",
    "## Addition: Numbers and Strings  \n",
    "\n",
    "[![view video](https://iajupyterprodblobs.blob.core.windows.net/imagecontainer/common/play_video.png)]( http://edxinteractivepage.blob.core.windows.net/edxpages/f7cff1a7-5601-48a1-95a6-fd1fdfabd20e.html?details=[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/a8befa5f-b4a5-4081-87c0-8846be85c719/Unit1_Section1.4-Addition.ism/manifest\",\"type\":\"application/vnd.ms-sstr+xml\"}],[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/a8befa5f-b4a5-4081-87c0-8846be85c719/Unit1_Section1.4-Addition.vtt\",\"srclang\":\"en\",\"kind\":\"subtitles\",\"label\":\"english\"}])\n",
    "\n",
    "### Numeric addition\n",
    "**Numeric addition** Single line *math equations*, run in a code cell, will output a sum \n",
    "```python\n",
    "# adding a pair of single digit Integers\n",
    "3 + 5  \n",
    "```  \n",
    "## String addition\n",
    "**string addition** single line *equations*, run in a code cell, will output a single concatenated string  \n",
    "> **Tip:** all strings must be in quotes  \n",
    "    \n",
    "```python\n",
    "# adding a pair of strings\n",
    "\"I wear \" + \"a hat\"  \n",
    "```  \n",
    "We can also **add variables** as long as we add strings to strings and numbers to numbers"
   ]
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   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Examples</B></font>\n",
    "## String and Number Addition"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] Review and run code for adding a pair of 2 digit Integers\n",
    "23 + 18"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] Review and run code for adding 2 strings\n",
    "\"my name is \" + \"Alyssa\"  "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] Review and run code for adding a variable string and a literal string\n",
    "shoe_color = \"brown\"\n",
    "\"my shoe color is \" + shoe_color"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#B24C00\"  face=\"verdana\"> <B>Task 1: multi-part</B></font>\n",
    "## String and Number Addition"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] add 3 integer numbers\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] add a float number and an integer number\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] Add the string \"This notebook belongs to \" and a string with your first name\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] Create variables sm_number and big_number and assign numbers then add the numbers\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] assign a string value to the variable first_name and add to the string \", remember to save the notebook frequently\"\n",
    "\n"
   ]
  },
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   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Concepts</B></font>  \n",
    "## use addition in variable assignments  \n",
    "It is common to store the results of addition in a variable  \n",
    "\n",
    "[![view video](https://iajupyterprodblobs.blob.core.windows.net/imagecontainer/common/play_video.png)]( http://edxinteractivepage.blob.core.windows.net/edxpages/f7cff1a7-5601-48a1-95a6-fd1fdfabd20e.html?details=[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/48aefdf7-8f2f-4080-97e9-c25477f71248/Unit1_Section1.4-Assignment.ism/manifest\",\"type\":\"application/vnd.ms-sstr+xml\"}],[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/48aefdf7-8f2f-4080-97e9-c25477f71248/Unit1_Section1.4-Assignment.vtt\",\"srclang\":\"en\",\"kind\":\"subtitles\",\"label\":\"english\"}])\n",
    "\n",
    "## use addition in `print ()`   \n",
    "Use **`print()`** to show the results of multiple lines of output  \n",
    " "
   ]
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   "source": [
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Examples</B></font>\n",
    "## addition in variable assignments and in `print()`"
   ]
  },
  {
   "cell_type": "code",
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   "source": [
    "# [ ] review & run code for assigning variables & using addition\n",
    "add_two = 34 + 16\n",
    "first_name = \"Alton\"\n",
    "greeting = \"Happy Birthday \" + first_name\n",
    "\n",
    "print(add_two)\n",
    "print(greeting)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#  [ ] review & run code for Integer addition in variables and in a print function\n",
    "int_sum = 6 + 7\n",
    "print(int_sum)\n",
    "print(11 + 15)\n",
    "print()"
   ]
  },
  {
   "cell_type": "code",
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   "source": [
    "# string addition in variables and in print()function\n",
    "hat_msg = \"I do not wear \" + \"a hat\"  \n",
    "print(hat_msg)\n",
    "print(\"at \" + \"dinner\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#B24C00\"  face=\"verdana\"> <B>Task 2: multi-part</B></font>\n",
    "## create Integer addition and  string addition output"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] perform string addition in the variable named new_msg (add a string to \"my favorite food is \")\n",
    "new_msg = \"My favorite food is\"\n",
    "print(new_msg)\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] perform Integer addition in the variable named new_msg (add 2 or more Integers)\n",
    "new_sum =   0\n",
    "print(new_sum)\n",
    "\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] create and print a new string variable, new_msg_2, that concatenates new_msg + a literal string\n",
    "\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Concepts</B></font>  \n",
    "## Errors!\n",
    "Encountering **Errors** and troubleshooting errors are fundamental parts of computer programming\n",
    "\n",
    "[![view video](https://iajupyterprodblobs.blob.core.windows.net/imagecontainer/common/play_video.png)]( http://edxinteractivepage.blob.core.windows.net/edxpages/f7cff1a7-5601-48a1-95a6-fd1fdfabd20e.html?details=[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/7ab2739a-95e6-4399-9b84-19ac5698bbea/Unit1_Section1.4-TypeError.ism/manifest\",\"type\":\"application/vnd.ms-sstr+xml\"}],[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/7ab2739a-95e6-4399-9b84-19ac5698bbea/Unit1_Section1.4-TypeError.vtt\",\"srclang\":\"en\",\"kind\":\"subtitles\",\"label\":\"english\"}])"
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  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Examples</B></font>"
   ]
  },
  {
   "cell_type": "code",
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   "source": [
    "# [ ] review & run code\n",
    "print(\"my number is \" + \"123\") #string, represents a text character\n",
    "print(\"my number is \" + 123) #number, with numeric value "
   ]
  },
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   "source": [
    "#### TypeError\n",
    "The line&nbsp; **`print(\"my number is \" + 123)`** causes the **`TypeError`** message to appear  \n",
    ">`TypeError: Can't convert 'int' object to str implicitly`  \n",
    "\n",
    "When adding to the string&nbsp; `\"my number is \"`&nbsp; the compiler is experiencing another string, but finds a number ***`123`**  \n",
    "\n",
    "Python cannot convert the Integer &nbsp; `123`&nbsp; to a string without explicit instruction (in code) \n",
    "  \n",
    "in other words, python only allows combining *like types*\n",
    "- **`str`** + **`str`**\n",
    "- **`int`** + **`int`**\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#B24C00\"  face=\"verdana\"> <B>Task 3</B></font>\n",
    "## Fix `TypeError` \n",
    "- Review the code in the cells below and then run the code\n",
    "- Fix any errors and run until the code no longer shows errors"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] review and run the code - then fix any Errors\n",
    "total_cost = 3 + \"45\"\n",
    "print(total_cost)\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] review and run the code - then fix any Errors\n",
    "school_num = 123\n",
    "print(\"the street number of Central School is \" + school_num)\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] Read and run the code - write a hypothesis for what you observe adding float + int\n",
    "#  [ ] HYPOTHESIS: \n",
    "\n",
    "print(type(3.3))\n",
    "print(type(3))\n",
    "print(3.3 + 3)\n",
    "\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Concepts</B></font> \n",
    "## More Errors\n",
    "### SyntaxError & NameError\n",
    "- **SyntaxError** - breaks code formatting rules of python\n",
    "- **NameError** - object is not defined (can't be found)  \n",
    "\n",
    "Python has a specific grammar that it follows that is referred to as **syntax**.  \n",
    "The print function syntax rules for output of a single string include \n",
    "- parentheses **` ( ) `** containing a **string** follow **`print`** (SyntaxError)\n",
    "- strings have **matching quotation marks** (SyntaxError)\n",
    "- `print` is lowercase and correctly spelled (NameError)\n",
    "\n",
    "Failure to follow any of these rules results in a `SyntaxError` or `NameError` when the code is run  \n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<font size=\"6\" color=\"#00A0B2\"  face=\"verdana\"> <B>Examples</B></font>\n",
    "## SyntaxError\n",
    "[![view video](https://iajupyterprodblobs.blob.core.windows.net/imagecontainer/common/play_video.png)]( http://edxinteractivepage.blob.core.windows.net/edxpages/f7cff1a7-5601-48a1-95a6-fd1fdfabd20e.html?details=[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/1a1cd6c0-793f-4bcb-a0a0-c9f95a302142/Unit1_Section1.4-SyntaxNameErrors.ism/manifest\",\"type\":\"application/vnd.ms-sstr+xml\"}],[{\"src\":\"http://jupyternootbookwams.streaming.mediaservices.windows.net/1a1cd6c0-793f-4bcb-a0a0-c9f95a302142/Unit1_Section1.4-SyntaxNameErrors.vtt\",\"srclang\":\"en\",\"kind\":\"subtitles\",\"label\":\"english\"}])\n",
    "- Improperly formatted string (quotes don't match) that results in a SyntaxError"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] review and run the code for properly and improperly formatted print statement\n",
    "print(\"Hi!\")\n",
    "## Improper format - non matching quotes\n",
    "print('I like the morning\") "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "- note that the misspelling of \"`prin`\" below results in a NameError"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] review and run the code \n",
    "prin('hi')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "- EOF = \"end of file\" found in code below\n",
    "- Python went to the end of the file looking for, but not finding, a closing parenthesis "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] review and run the code missing the closing parenthesis  \n",
    "print(\"where are my socks?\" "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "- In code below: a parenthesis inside quotations will be seen a part of a string and not as a parenthesis"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# { ] review and run the code \n",
    "print(\"my socks are in the wrong bin)\" "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# &nbsp;\n",
    "<font size=\"6\" color=\"#B24C00\"  face=\"verdana\"> <B>Task 4</B></font>\n",
    "## Fix Errors"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    ">**Tip**: explaining errors to a partner often reveals a solution (works even if explaining error to a pencil) "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] repair the syntax error \n",
    "print('my socks do not match\") \n",
    "      \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] repair the NameError  \n",
    "pront(\"my socks match now\") \n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] repair the syntax error \n",
    "print\"Save the notebook frequently\")\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] repair the NameError \n",
    "student_name = \"Alton\"\n",
    "print(STUDENT_NAME)\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# [ ] repair the TypeError\n",
    "total = 3\n",
    "print(total + \" students are signed up for tutoring\")\n",
    "\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A parenthesis inside quotations will be seen a part of a string and not as a parenthesis"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "[Terms of use](http://go.microsoft.com/fwlink/?LinkID=206977) &nbsp; [Privacy & cookies](https://go.microsoft.com/fwlink/?LinkId=521839) &nbsp; © 2017 Microsoft"
   ]
  }
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