Updating the notebooks

Author: AllenDowney

chapters/chap10.ipynb

@@ -1559,7 +1559,7 @@
  "source": [
  "### Exercise\n",
  "\n",
- "Write function called `find_repeats` that takes a dictionary that maps from each key to a counter, like the result from `value_counts`.\n",
+ "Write a function called `find_repeats` that takes a dictionary that maps from each key to a counter, like the result from `value_counts`.\n",
  "It should loop through the dictionary and return a list of keys that have counts greater than `1`.\n",
  "You can use the following outline to get started."
  ]

chapters/chap12.ipynb

@@ -520,7 +520,7 @@
  "\n",
  "* `key=second_element` means the items will be sorted according to the frequencies of the words.\n",
  "\n",
- "* `reverse=True` means they items will be sorted in reverse order, with the most frequent words first."
+ "* `reverse=True` means the items will be sorted in reverse order, with the most frequent words first."
  ]
  },
  {
@@ -730,7 +730,7 @@
  "id": "22becbab",
  "metadata": {},
  "source": [
- "The we'll store the words as keys in a dictionary so we can use the `in` operator to check quickly whether a word is valid."
+ "Then we'll store the words as keys in a dictionary so we can use the `in` operator to check quickly whether a word is valid."
  ]
  },
  {

chapters/chap14.ipynb

@@ -907,7 +907,7 @@
  " \n",
  " carry, time.second = divmod(time.second, 60)\n",
  " carry, time.minute = divmod(time.minute + carry, 60)\n",
- " carry, time.hour = divmod(time.hour + carry, 60)"
+ " carry, time.hour = divmod(time.hour + carry, 24)"
  ]
  },
  {

chapters/chap15.ipynb

@@ -604,7 +604,7 @@
  "id": "e01e9673",
  "metadata": {},
  "source": [
- "## The __init__ method\n",
+ "## The init method\n",
  "\n",
  "The most special of the special methods is `__init__`, so-called because it initializes the attributes of a new object.\n",
  "An `__init__` method for the `Time` class might look like this:"