updates lecture files

hands_on/first/test_first.py

@@ -1,19 +1,6 @@
-from first import times_3
-
-
 def test_times_3_integer():
-    value = 7
-    expected = 21
-
-    result = times_3(value)
-
-    assert result == expected
+    pass
 
 
 def test_times_3_string():
-    value = 'wow'
-    expected = 'wowwowwow'
-
-    result = times_3(value)
-
-    assert result == expected
+    pass

hands_on/first_teacher/first.py

@@ -1,13 +1,6 @@
 def times_3(x):
-    """ Multiply x by 3.
-
-    Parameters
-    ----------
-    x : The item to multiply by 3.
-    """
-    return x * 3
+    pass
 
 
-if __name__ == '__main__':
-    print(times_3(2))
-    print(times_3("a"))
+if __name__ == "__main__":
+    pass

hands_on/local_maxima/local_maxima.py

@@ -8,3 +8,8 @@ def find_maxima(x):
     idx -- list of indices of the local maxima in x
     """
     return []
+
+
+if __name__ == "__main__":
+    x = [1, 2, 3]
+    print(find_maxima(x))

hands_on/local_maxima_part3_debug/test_local_maxima.py

@@ -1,6 +1,3 @@
-import numpy as np
-import pytest
-
 from local_maxima import find_maxima