Added lesson_settings and started chapter 2 content

Author: Ethan-Arrowood

Diff for: challenges.json

@@ -1 +1 @@
-{"name":"Python Beginner Challenges","last_edit":1496850024471,"chapters":["Introduction","Input","Operators","Math"],"challenges":[[],[{"id":"592f1cc969cf862d8a7bb7f2","title":"Input Edit","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":1,"lesson":3}],[{"id":"59381b056f0201972cc968b1","title":"Assignment Operator","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":3,"lesson":1},{"id":"59382d5b5b0de5a15275c053","title":"Equality Operator","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":3,"lesson":2},{"id":"59382dac5b0de5a15275c054","title":"Inequality Operator","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":3,"lesson":3},{"id":"59382e635b0de5a15275c055","title":"Strictly Less Than 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Value","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":4,"lesson":14}]]}
+{"name":"Python Beginner Challenges","last_edit":1496934858175,"chapters":["Introduction","Input","Data Types", "Operators","Math"],"challenges":[[],[{"id":"593964e5d230354d7438db33","title":"Print","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":1,"lesson":1},{"id":"593964dad230354d7438db32","title":"Escape Charactesr","repl":"https://repl.it/student_embed/assignment/136137/d860e0ad34862a709895f54706dcf9af","completed":false,"chapter":1,"lesson":2},{"id":"592f1cc969cf862d8a7bb7f2","title":"Input 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Diff for: challenges/1.1.Print/lesson_settings.json

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Print",
+  "chapter_number": 1,
+  "lesson_number": 1,
+  "id": "593964e5d230354d7438db33",
+  "repl": ""
+}

Diff for: challenges/1.2.Escape_Characters/lesson_settings.json

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Escape Charactesr",
+  "chapter_number": 1,
+  "lesson_number": 2,
+  "id": "593964dad230354d7438db32",
+  "repl": ""
+}

Diff for: challenges/2.1.Integers_Floats/lesson.md

@@ -0,0 +1,28 @@
+## Python Numbers
+
+There are 3 distinct numeric types in python.
+- int
+- float
+- complex
+- https://docs.python.org/3.6/library/stdtypes.html#numeric-types-int-float-complex  
+
+**Integers** have _unlimited precision_; thus, they can be as large as you need them to be.
+
+Example: `myInt = 789456123`
+
+**Floats** are limited to the precision of a C _double_ value. You can check your systems _float precision_ by using the following commands:
+```
+import sys
+sys.float_info
+```
+
+Example: `myFloat = 123.4567`
+
+**Complex** numbers are broken into two parts, a real and imaginary part. Both are floating point numbers and can be accessed using the `.real` and `.imag` properties. You can create a complex number using the `complex(real, imag)` command. In Python, the _imaginary constant_ usually dictated with an `i` is replaced with a `j`.
+
+Example: `myComplex = complex(2, 3.4) # myComplex = (2+3.4j)`
+
+**_Instructions:_**  
+- Assign an integer value to the `myInteger` variable
+- Assign a float value to the `myFloat` variable
+- Assign a complex value to the `myComplex` variable. Make sure it has both a real and imaginary part.

Diff for: challenges/2.1.Integers_Floats/lesson_code.py

@@ -0,0 +1,9 @@
+### Modify the code below ###
+
+myInteger = null
+
+myFloat = null
+
+myComplex = null
+
+### Modify the code above ###

Diff for: challenges/2.1.Integers_Floats/lesson_settings.json

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Numbers",
+  "chapter_number": 2,
+  "lesson_number": 1,
+  "id": "593964fdd230354d7438db34",
+  "repl": ""
+}

Diff for: challenges/2.1.Integers_Floats/lesson_tests.py

@@ -0,0 +1,11 @@
+import unittest
+import lesson_code
+
+class NumbersTests(unittest.TestCase):
+    def test_main(self):
+        myInteger = lesson_code.myInteger
+        myFloat = lesson_code.myFloat
+        myComplex = lesson_code.myComplex
+        self.assertIsInstance(myInteger, int)
+        self.assertIsInstance(myFloat, float)
+        self.assertIsInstance(myComplex, complex)

Diff for: challenges/2.1.NumberTypes/lesson.md

@@ -0,0 +1,33 @@
+## Python Strings
+
+The simplest form of text sequences in Python is a `str` or _strings_.
+
+To write a string in Python you have 4 options:
+1. Using single quotes: `myStr = 'this allows "double" quotes inside'`
+2. using double quotes: `myStr = "this allows 'single' quotes inside"`
+3. Using triple single quotes:
+```
+myStr = '''Three quotes allows
+for multiline strings.
+Cool right?'''
+```
+4. Using triple double quotes:
+```
+myStr = """Three quotes allows
+for multiline strings.
+Isn't that even cooler?"""
+```
+
+Strings are considered 'immutable' meaning they can not be changed; however, two strings can be concatenated together using the `+` operator.
+
+Example:
+```
+firstName = 'Jane'
+lastName = 'Doe'
+fullName = "My full name is: " + firstName + " " + lastName + "."
+```
+
+**_Instructions:_**  
+Mini-Mad-Lib:
+- Assign strings to each variable.
+- Then concatenate everything together in the `mySentence` variable

Diff for: challenges/2.1.NumberTypes/lesson_code.py

@@ -0,0 +1,11 @@
+### Modify the code below ###
+
+myName = null
+
+myAge = null
+
+favoriteActivity = null
+
+mySentence = null 
+
+### Modify the code above ###

Diff for: challenges/2.1.NumberTypes/lesson_settings.json

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Strings",
+  "chapter_number": 2,
+  "lesson_number": 2,
+  "id": "5939650ad230354d7438db35",
+  "repl": ""
+}

Diff for: challenges/2.1.NumberTypes/lesson_tests.py

@@ -0,0 +1,13 @@
+import unittest
+import lesson_code
+
+class StringsTests(unittest.TestCase):
+    def test_main(self):
+        myName = lesson_code.myName
+        myAge = lesson_code.myAge
+        favoriteActivity = lesson_code.favoriteActivity
+        mySentence = lesson_code.mySentence
+        self.assertIsInstance(myName, str)
+        self.assertIsInstance(myAge, str)
+        self.assertIsInstance(favoriteActivity, str)
+        self.assertIsInstance(mySentence, str)

Diff for: challenges/2.2.Strings/lesson.md

@@ -0,0 +1,20 @@
+## Python Tuples
+
+A tuple is an immutable (cannot be changed) sequence of data.
+
+Tuples can be constructed in multiple ways:
+- Using a pair of parentheses to denote an empty tuple: `()`
+- Using a trailing comma for a singleton tuple (one value): `a,` or `(a,)`
+- Separating items with commas: `a, b, c` or `(a, b, c)`
+- Using the built-in `tuple()`: `tuple('abc') # = ('a', 'b', 'c')`
+
+When referencing tuples, you say the 'n-tuple' where 'n' is the number of elements.
+For example: `myTuple = a, b, c, d, e` myTuple is a 5-tuple.
+
+**Note** the comma `,` is actually what makes a tuple, not the parentheses `()`.
+The parentheses are optional except when they are needed such as for an empty tuple or to avoid ambiguity.
+Example: `f(a, b, c)` is a function call with three arguments. `f((a, b, c))` is a function call with one 3-tuple argument.
+
+**_Instructions_**
+- Assign the appropriate length tuples to the given variables
+  For example: `twoTuple = a, b` and `threeTuple = a, b, c`

Diff for: challenges/2.2.Strings/lesson_code.py

@@ -0,0 +1,11 @@
+### Modify the code below ###
+
+twoTuple = null
+
+threeTuple = null
+
+fiveTuple = null
+
+tenTuple = null 
+
+### Modify the code above ###

Diff for: challenges/2.2.Strings/lesson_settings.json

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Tuples",
+  "chapter_number": 2,
+  "lesson_number": 3,
+  "id": "59396524d230354d7438db36",
+  "repl": ""
+}

Diff for: challenges/2.2.Strings/lesson_tests.py

@@ -0,0 +1,18 @@
+import unittest
+import lesson_code
+
+class StringsTests(unittest.TestCase):
+    def test_main(self):
+        twoTuple = lesson_code.twoTuple
+        threeTuple = lesson_code.threeTuple
+        fiveTuple = lesson_code.fiveTuple
+        tenTuple = lesson_code.tenTuple
+        self.assertIsInstance(twoTuple, tuple)
+        self.assertIsInstance(threeTuple, tuple)
+        self.assertIsInstance(fiveTuple, tuple)
+        self.assertIsInstance(tenTuple, tuple)
+        self.assertEqual(len(twoTuple), 2)
+        self.assertEqual(len(threeTuple), 3)
+        self.assertEqual(len(fiveTuple), 5)
+        self.assertEqual(len(tenTuple), 10)
+        

Diff for: challenges/2.3.Tuples/lesson.md

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Lists",
+  "chapter_number": 2,
+  "lesson_number": 4,
+  "id": "593967e6d230354d7438db39",
+  "repl": ""
+}

Diff for: challenges/2.3.Tuples/lesson_code.py

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Sets",
+  "chapter_number": 2,
+  "lesson_number": 5,
+  "id": "593967ddd230354d7438db38",
+  "repl": ""
+}

Diff for: challenges/2.3.Tuples/lesson_settings.json

@@ -0,0 +1,7 @@
+{
+  "lesson_title": "Dictionaries",
+  "chapter_number": 2,
+  "lesson_number": 6,
+  "id": "593967d4d230354d7438db37",
+  "repl": ""
+}

Diff for: challenges/2.3.Tuples/lesson_tests.py

@@ -54,7 +54,7 @@ dir_list.forEach((dir) => {
   };
 
   // attempt to autofill 'missing' challenges
-  // 
+  //
   // const blank_lesson_obj = {
   //   "id": null,
   //   "title": "NA",