Further improvements to issues and times.py

.issues/Instructor_issue_2.md

@@ -0,0 +1,3 @@
+# Instructor Issue 2
+
+Please write some assertions to test if the methods in times.py are working as expected.

.issues/exercise_1.md

@@ -4,19 +4,11 @@
 
 Please follow these instructions step-by-step before the course starts.
 
-## 1. Fork this repository
+### 1. Fork this repository
 
-![Indicates where the Fork button is (top-right corner of the repository page)](https://i.imgur.com/ZCxOrOX.png)
+![Indicates where the Fork button is (top-right corner of the repository page)](https://i.imgur.com/HiBlmrj.png)
 
-## 2. Go to the settings in your fork
-
-![Indicates where the settings button appears once the repository is forked](https://i.imgur.com/1aGRVVB.png)
-
-## 3. Enable issues
-
-![Enable issues on your fork](https://user-images.githubusercontent.com/963242/95435705-ce66b700-094a-11eb-8424-770ed92a99f6.png)
-
-## 4. Clone your repository locally
+### 2. Clone your repository locally
 
 In a `bash` terminal on your computer, run:
 ```bash
@@ -31,9 +23,10 @@ A folder named `rse-best-practices-playground` should be listed.
 
 (If this does not work, you may have to set up a personal access token: Follow the instructions [in the GitHub documentation](https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/managing-your-personal-access-tokens#creating-a-fine-grained-personal-access-token) and get in touch with the course organisers if you encounter issues.)
 
-## 5. React to this issue with :+1:
+### 3. React to this issue with :+1:
 ![Select and add a reaction to this comment](https://user-images.githubusercontent.com/963242/95435873-0bcb4480-094b-11eb-9d37-2fdefdcb8c6f.png)
 
-## 6. (Optional) Have a look at the code
+The next exercises will be described in the issues of the original repository (the one you made your fork from).
+### 4. (Optional) Have a look at the code
 
 You may want to study the code in `times.py`. You can find it by navigating to `rse-best-practices-playground` > `rse_best_practices_playground` > `times.py`. Can you figure out what the code is meant to do?

.issues/instructor_issue_1.md

@@ -0,0 +1,3 @@
+# Instructor Issue 1
+
+Please document what the methods in times.py are doing by writing some comments at the top of the file.

rse_best_practices_playground/times.py

@@ -35,11 +35,6 @@ def print_fastest_time(time_list):
 def time_range(
     start_time, end_time, number_of_intervals=1, gap_between_intervals_s=0
 ):
-    """
-    Example:
-    >>> time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00")
-    [('2010-01-12 10:00:00', '2010-01-12 12:00:00')]
-    """
     start_time_s = datetime.datetime.strptime(start_time, "%Y-%m-%d %H:%M:%S")
     end_time_s = datetime.datetime.strptime(end_time, "%Y-%m-%d %H:%M:%S")
     d = (
@@ -65,13 +60,6 @@ def time_range(
 
 
 def compute_overlap_time(range1, range2):
-    """
-    Example:
-    >>> range1 = time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00")
-    >>> range2 = time_range("2010-01-12 10:30:00", "2010-01-23 10:45:00")
-    >>> compute_overlap_time(range1, range2)
-    >>> [('2010-01-12 10:30:00', '2010-01-12 10:45:00')]
-    """
     overlap_time = []
     for start1, end1 in range1:
         for start2, end2 in range2:
@@ -84,11 +72,6 @@ def compute_overlap_time(range1, range2):
 def time_range_less_precise(
     start_time, end_time, number_of_intervals=10, gap_between_intervals_s=5
 ):
-    """
-    Example:
-    >>> time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00", 2, 60)
-    [('2010-01-12 10:00:00', '2010-01-12 12:00:00')]
-    """
     start_time_s = datetime.datetime.strptime(start_time, "%Y-%m-%d %H:%M:%S")
     end_time_s = datetime.datetime.strptime(end_time, "%Y-%m-%d %H:%M:%S")
     d = (