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made edits to lessons and practices 1-9 #61

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26 changes: 26 additions & 0 deletions Lessons/Lesson09_Conditionals.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -333,6 +333,32 @@
"# copy and paste if/elif/else from before\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Note: We don't use 'is' or == with Boolean values. Instead, we just the value itself instead of == True; or not for == False). For example:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"my_list = [0, 1, 2, 3, 4, 5, 6, 7]\n",
"\n",
"is_short = len(my_list) < 10\n",
"is_medium = not is_short and len(my_list) < 20\n",
"\n",
"if is_short:\n",
" print(\"This list is short!\")\n",
"elif is_medium:\n",
" print(\"This list is a medium length.\")\n",
"else:\n",
" print(\"This list is on the long side!\")"
]
},
{
"cell_type": "markdown",
"metadata": {
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4 changes: 2 additions & 2 deletions Practices/Practice03_Variables_Types.ipynb
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Expand Up @@ -271,8 +271,8 @@
"\n",
" Customer Name: Marlena Duda\n",
" Starting Balance: $100\n",
"Years Saved: 7\n",
"Ending Balance: $194.87\n",
" Years Saved: 7\n",
" Ending Balance: $194.87\n",
" Doubled Starting: False\n",
"\n",
"Remember: Use the variable names we defined above whenever you can! "
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12 changes: 6 additions & 6 deletions Practices/_Keys/KEY_Practice03_Variables_Types.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -210,13 +210,13 @@
},
{
"ename": "TypeError",
"evalue": "must be str, not int",
"evalue": "can only concatenate str (not \"int\") to str",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-4-6d47cd2526cd>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m 17\u001b[0m \u001b[0;31m# read the error message you get carefully!\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 18\u001b[0m \u001b[0;31m# learning how to read error messages will give you the keys to fix mistakes (i.e. bugs) in your code\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 19\u001b[0;31m \u001b[0mfull_name\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0mstart_balance\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m: must be str, not int"
"Cell \u001b[0;32mIn[4], line 19\u001b[0m\n\u001b[1;32m 14\u001b[0m \u001b[38;5;28mprint\u001b[39m(full_name)\n\u001b[1;32m 16\u001b[0m \u001b[38;5;66;03m# now try to add full_name to the variable start_balance from above. Does this work?\u001b[39;00m\n\u001b[1;32m 17\u001b[0m \u001b[38;5;66;03m# read the error message you get carefully! \u001b[39;00m\n\u001b[1;32m 18\u001b[0m \u001b[38;5;66;03m# learning how to read error messages will give you the keys to fix mistakes (i.e. bugs) in your code\u001b[39;00m\n\u001b[0;32m---> 19\u001b[0m \u001b[43mfull_name\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m+\u001b[39;49m\u001b[43m \u001b[49m\u001b[43mstart_balance\u001b[49m\n",
"\u001b[0;31mTypeError\u001b[0m: can only concatenate str (not \"int\") to str"
]
}
],
Expand Down Expand Up @@ -366,8 +366,8 @@
"\n",
" Customer Name: Marlena Duda\n",
" Starting Balance: $100\n",
"Years Saved: 7\n",
"Ending Balance: $194.87\n",
" Years Saved: 7\n",
" Ending Balance: $194.87\n",
" Doubled Starting: False\n",
"\n",
"Remember: Use the variable names we defined above whenever you can! "
Expand Down Expand Up @@ -429,7 +429,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.1"
"version": "3.9.6"
}
},
"nbformat": 4,
Expand Down