diff --git a/spm_funcs.py b/spm_funcs.py
index 450c1ab..7298b0b 100644
--- a/spm_funcs.py
+++ b/spm_funcs.py
@@ -54,8 +54,16 @@ def get_spm_globals(fname):
     spm_vals : array
         SPM global metric for each 3D volume in the 4D image.
     """
-    # +++your code here+++
-    # return
+    spm_vals_list=[]
+    img=nib.load(fname)  
+    #- Get the data
+    data=img.get_fdata()
+    #- Calculate the SPM global value for each volume.
+    for i in range(data.shape[-1]):
+        spm_vals_list.append (spm_global(data[:,:,:,i]))
+    
+    spm_vals=np.array(spm_vals_list)
+    return spm_vals  # Return the result.
 
 
 def main():