157 lines
3.3 KiB
Plaintext
157 lines
3.3 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# 1. Fill missing pieces\n",
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"Fill `____` pieces below to have correct values for `lower_cased`, `stripped` and `stripped_lower_case` variables."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"original = ' Python strings are COOL! '\n",
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"lower_cased = original._____\n",
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"stripped = ____.strip()\n",
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"stripped_lower_cased = original._____._____"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Let's verify that the implementation is correct by running the cell below. `assert` will raise `AssertionError` if the statement is not true. "
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"editable": false
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},
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"outputs": [],
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"source": [
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"assert lower_cased == ' python strings are cool! '\n",
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"assert stripped == 'Python strings are COOL!'\n",
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"assert stripped_lower_cased == 'python strings are cool!'"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# 2. Prettify ugly string\n",
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"Use `str` methods to convert `ugly` to wanted `pretty`."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"editable": false
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},
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"outputs": [],
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"source": [
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"ugly = ' tiTle of MY new Book\\n\\n'"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Your implementation:\n",
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"pretty = 'TODO'"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Let's make sure that it does what we want. `assert` raises [`AssertionError`](https://docs.python.org/3/library/exceptions.html#AssertionError) if the statement is not `True`."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"editable": false
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},
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"outputs": [],
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"source": [
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"print('pretty: {}'.format(pretty))\n",
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"assert pretty == 'Title Of My New Book'"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# 3. Format string based on existing variables\n",
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"Create `sentence` by using `verb`, `language`, and `punctuation` and any other strings you may need."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"editable": false
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},
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"outputs": [],
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"source": [
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"verb = 'is'\n",
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"language = 'Python'\n",
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"punctuation = '!'"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Your implementation:\n",
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"sentence = 'TODO'"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"editable": false
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},
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"outputs": [],
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"source": [
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"print('sentence: {}'.format(sentence))\n",
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"assert sentence == 'Learning Python is fun!'"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.5.4"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 1
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}
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