Create README.md

Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>

numpy/trim_zeros/README.md

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+# trim_zeros
+{:.no_toc}
+
+<nav markdown="1" class="toc-class">
+* TOC
+{:toc}
+</nav>
+
+## Top
+
+Questions to [David Rotermund](mailto:davrot@uni-bremen.de)
+
+
+## [numpy.trim_zeros](https://numpy.org/doc/stable/reference/generated/numpy.trim_zeros.html)
+
+```python
+numpy.trim_zeros(filt, trim='fb')
+```
+
+> Trim the leading and/or trailing zeros from a 1-D array or sequence.
+
+```python
+import numpy as np
+
+a = np.arange(0, 10)
+b = np.zeros((5), dtype=np.int64)
+c = np.r_[b, a, b]
+print(c)  # -> [0 0 0 0 0 0 1 2 3 4 5 6 7 8 9 0 0 0 0 0]
+
+print(np.trim_zeros(c, "b")) # -> [0 0 0 0 0 0 1 2 3 4 5 6 7 8 9]
+print(np.trim_zeros(c, "f")) # -> [1 2 3 4 5 6 7 8 9 0 0 0 0 0]
+print(np.trim_zeros(c, "fb")) # -> [1 2 3 4 5 6 7 8 9]
+```
+