solution for local maxima with plateau

hands_on/local_maxima/local_maxima.py

@@ -19,4 +19,27 @@ def local_maxima(x):
     Output:
     idx -- list of indices of the local maxima in x
     """
-    return []
+    list_of_maxima = []
+    if x[0]>x[1]:
+        list_of_maxima.append(0)
+
+
+    for i in range(len(x) -2):
+        if x[i+1] >= x[i] and  x[i+1] >= x[i+2]:
+            list_of_maxima.append(i+1)
+
+    if x[-1]>x[-2]:
+        list_of_maxima.append(len(x)-1)
+    return list_of_maxima
+
+#def main():
+    #x = [1, 3, -2, 0, 2, 1]
+    #x = [-1, -1, 0, -1]
+#    x = [4,2,1,3,1,5]
+    #x = [1, 2,2,1]
+    #x = input("enter sequence: ")
+    #print( type(x))
+#    print(find_maxima(x))
+
+#if __name__ == '__main__':
+    #main()