DGT questions

• combine list elements
• Django template roundup scientific notation
• Browser back-button when a list of values selection
• Send form data from views to template
• How to check if an element of a list is a number?
• search for before and after values in a long sorted list
• replace empty string(s) in tuple
• rounding-up numbers within a tuple
• a list > a list of lists
• How to remove ^M

DGT answers