I'mahdi questions

I'mahdi answers

• How to join two dataframes base the words exist in them when they are not equal?
• I want to check if a key exists in a dictionary, what is the better between using a get method on dictionary and using `in`?
• Pandas group by column and convert to key:value pair
• how to calculate the average of elements above a certain threshold in tensorflow
• Plots in a loop are overwritten
• How to group by hour in pandas and check data for every hour?
• Maximum and Minimum values from multiple arrays in Python
• Convert a text file into a dictionary list
• Trailing empty string after re.split()
• How to rotate 90 deg of 2D array inside 3D array?