Enforce V2: switch test_mc to has_chosen + update from tag

chapter1.md

@@ -104,7 +104,7 @@ msg1 = "Incorrect. Python can do simple and quick calculations, but it is much m
 msg2 = "Incorrect. There is a very popular framework to build database-driven websites (Django), but Python can do much more."
 msg3 = "Incorrect. Python is a powerful tool to do data analysis, but you can also use it for other ends."
 msg4 = "Correct! Python is an extremely versatile language."
-test_mc(4, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(4, [msg1, msg2, msg3, msg4])
 ```
 
 ---
@@ -455,7 +455,7 @@ msg1 = "The type of `a` is not `int`. Try out `type(a)` and see for yourself."
 msg2 = "`b` is not a `bool`, it's a `str`! The fact that `True` is wrapped in double quotes makes it a string."
 msg3 = "Correcto perfecto!"
 msg4 = "None of the variable's types is correct here. Try `type(a)` and see what type this variable is."
-test_mc(3,[msg1, msg2, msg3, msg4])
+Ex().has_chosen(3,[msg1, msg2, msg3, msg4])
 ```
 
 ---
@@ -677,5 +677,5 @@ msg1 = "Incorrect, this command runs perfectly fine."
 msg2 = "It's perfectly possible to 'multiply strings' in Python..."
 msg3 = "Correct! Because you're not converting `2` to a string with [`str()`](https://docs.python.org/3/library/functions.html#func-str), this will give an error."
 msg4 = "`True + False` doesn't error out. Feel free to try it in the console to confirm!"
-test_mc(3, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(3, [msg1, msg2, msg3, msg4])
 ```

chapter2.md

@@ -220,7 +220,7 @@ msg1 = "Correct! As funny as they may look, all these commands are valid ways to
 msg2 = "Command B is valid, but it's not the only one!"
 msg3 = "Both command B and C are valid; what about command A? Try it out in the console."
 msg4 = "Command C is valid, but it's not the only one!"
-test_mc(1,[msg1,msg2,msg3,msg4])
+Ex().has_chosen(1,[msg1,msg2,msg3,msg4])
 ```
 
 ---
@@ -665,7 +665,7 @@ house = [["hallway", 11.25],
 msg1 = msg2 = "Wrong. `house[-1]` selects the last element of `house`, which is the list `[\"bathroom\", 9.50]`."
 msg3 = "Correctomundo! The last piece of the list puzzle is manipulation."
 msg4 = "Incorrect. `house[-1]` indeed selects the list that represents the bathroom information, but `[1]` selects the second element of the sublist, not the first. Python uses zero-based indexing!"
-test_mc(3, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(3, [msg1, msg2, msg3, msg4])
 ```
 
 ---
@@ -890,7 +890,7 @@ msg1 = "If you first remove `areas[10]`, all elements after index 10 move up a s
 msg2 = "`areas[10:11])` will only select the element at index `10`."
 msg3 = "Correct! You'll learn about easier ways to remove specific elements from Python lists later on."
 msg4 = "This code chunk will not correctly remove the poolhouse-related information. Try again."
-test_mc(3, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(3, [msg1, msg2, msg3, msg4])
 ```
 
 ---

chapter3.md

@@ -150,7 +150,7 @@ msg1 = "Incorrect. `[, imag]` shows that `imag` is an optional argument."
 msg2 = "This statement is false. `imag` is not a required argument."
 msg3 = "Perfect!"
 msg4 = "This is almost true, but not entirely. If you don't specify `imag`, it is set to 0."
-test_mc(3, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(3, [msg1, msg2, msg3, msg4])
 ```
 
 ---
@@ -715,5 +715,5 @@ Try the different import statements in the IPython shell and see which one cause
 ```{python}
 msg1 = msg2 = msg3 = "Incorrect, try again. Try the different import statements in the IPython shell and see which one causes the line `my_inv([[1, 2], [3, 4]])` to run without errors."
 msg4 = "Correct! The `as` word allows you to create a local name for the function you're importing: [`inv()`](https://docs.python.org/3/library/functions.html#inv) is now available as `my_inv()`."
-test_mc(4, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(4, [msg1, msg2, msg3, msg4])
 ```

chapter4.md

@@ -462,7 +462,7 @@ import numpy as np
 ```{python}
 msg1 = msg3 = msg4 = "Incorrect. Try out the different code chunks and see which one matches the target code chunk."
 msg2 = "Great job! `True` is converted to 1, `False` is converted to 0."
-test_mc(2, [msg1, msg2, msg3, msg4])
+Ex().has_chosen(2, [msg1, msg2, msg3, msg4])
 ```
 
 ---

course.yml

@@ -13,7 +13,7 @@ description: Python is a general-purpose programming language that is becoming m
   data and get a competitive edge. Unlike any other Python tutorial, this course focuses on Python specifically for data science.
   In our Intro to Python class, you will learn about powerful ways to store and manipulate data as well as cool data science tools to start your own analyses.
   Enter DataCamp’s online Python curriculum.
-from: "python-base-prod:20"
+from: "python-base-prod:v1.0.2"
 practice_pool_id: 107
 datasets:
   baseball.csv: MLB (baseball)