Exercise 1¶
Write a function add that receives two numbers and returns the sum of them:
In [ ]:
def add(x, y):
# your code here
pass
In [ ]:
# Tests:
assert add(2, 3) == 5
assert add(4, 3) == 7
In [1]:
def add(x, y):
return x + y
Markdown cells can also be solutions, for example:
Exercise 2¶
Use LaTeX math notation, to write out the formula of "sum of squares":
$$\sum_{i=1}^n i^2$$