Create a function that subtracts a from b if a and b are integers and adds them if they are floats.
Too many clues are given in the Solution Template.
Also, Problem Statement is inconsistent with Test Suite (and Solution Template). It should say: "Create a function that subtracts b from a" (not "a from b").
Test if two numbers have the same digits
07 - Common functions and indexing 5
Swap two numbers
Calculate the sum of elements of n*n Hilbert matrix.
time of day
nanoseconds passed today
microseconds passed today
calculate the day of the year from a date string.
Persistence will help you solve almost any problem.
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