Rename numpy

Author: macdems

…umPy: numeric arrays and calculations.md …mPy - numeric arrays and calculations.md09 Numeric Arrays and Data Visualization/1 NumPy: numeric arrays and calculations.md renamed to 09 Numeric Arrays and Data Visualization/1 NumPy - numeric arrays and calculations.md 09 Numeric Arrays and Data Visualization/1 NumPy: numeric arrays and calculations.md renamed to 09 Numeric Arrays and Data Visualization/1 NumPy - numeric arrays and calculations.md

@@ -53,7 +53,7 @@
 
 ## Numeric Arrays and Data Visualization
 
-* [NumPy: numeric arrays and calculations](09%20Numeric%20Arrays%20and%20Data%20Visualization/1%20NumPy:%20numeric%20arrays%20and%20calculations)
+* [NumPy: numeric arrays and calculations](09%20Numeric%20Arrays%20and%20Data%20Visualization/1%20NumPy%20-%20numeric%20arrays%20and%20calculations)
 * [Matplotlib: data visualization](09%20Numeric%20Arrays%20and%20Data%20Visualization/2%20Matplotlib:%20data%20visualization)
 
 ## Object-Oriented Programming