Transhuman questions

Transhuman answers

• How to convert 2D string list to 2D int list python? [duplicate]
• How to use python groupby() [duplicate]
• Summation of elements of dictionary that are list of lists
• How to extract consecutive elements from an array containing NaN
• How to split a list-of-strings into sublists-of-strings by a specific string element
• Python: How to easily reference elements in .format()