title: How to convert a list of series to list?
body: <p>I have a list of series:</p>
  
  <pre><code>[0    1.738976
   1    1.230319
   2    1.238717
   3    1.224020
   4    1.071875
   dtype: float64, 5    1.132621
   6    1.116945
   7    0.922949
   8    1.101268
   9    1.065996
   dtype: float64, 10    1.020927
   11    1.022459
   12    1.034100
   13    0.995297
   14    1.036040
   dtype: float64, 15    1.245819
   16    1.364338
   17    0.989574
   18    1.024846
   19    0.979776
   dtype: float64, 20    1.583318
   21    1.561273
   22    1.795929
   23    1.769475
   24    1.757718
   dtype: float64, 25    1.040522
   26    1.022886
   27    0.724544
   28    0.718666
   29    0.736302
   dtype: float64, 30    0.721605
   31    0.842607
   32    0.827911
   33    0.818113
   34    2.153058
   dtype: float64, 35    2.303698
   36    2.402411
   37    2.233889
   38    3.288128
   39    2.579750
   dtype: float64]
  </code></pre>
  
  <p>I want to put all the values of series in one list. I tried:</p>
  
  <pre><code>a = [list_of_series]
  a1 = reduce(lambda x, y: x+y, a)
  </code></pre>
  
  <p>But the output is Nan values.</p>