Updating a dictionary in python

I’ve been stuck on this question for quite sometime and just can’t figure it out. I just want to be able to understand what I’m missing and why it’s needed. What I need to do is make a function which adds each given key/value pair to the dictionary. The argument key_value_pairs will be a list … Read more

Is there a ‘foreach’ function in Python 3?

Every occurence of “foreach” I’ve seen (PHP, C#, …) does basically the same as pythons “for” statement. These are more or less equivalent: So, yes, there is a “foreach” in python. It’s called “for”. What you’re describing is an “array map” function. This could be done with list comprehensions in python: