How to copy multiple input cells in Jupyter Notebook

Question

Basically I want to copy (Ctrl+C) only the code portions from multiple cells without also copying the output or the In[1]: and Out[1]:

What is

Answer 1

Open notebook dir as project in PyCharm, and then open the wanted ipynb file, select and copy all the source code, past into notepad++, replace "\r\n#%%\r\n\r\n" by null with extended search mode.