""""Exercise 2.7 from "A Primer on ..." 
Generate n + 1 equally spaced coordinates on 
an interval [a,b]. 
"""

#give some suitable values for a, b, and n
n = 10
a = 0
b = 1

#compute the interval length:
h = (b - a)/n

#a) use a for loop:
coor = []
for i in range(n+1):
    x = a + h * i
    coor.append(x)

print(coor)

#b) use a list comprehension:
coor2 = [a + h * i for i in range(n+1)]

"""
Terminal> python coor.py 
[0.0, 0.1, 0.2, 0.30000000000000004, 0.4, 0.5, 0.6000000000000001, 0.7000000000000001, 0.8, 0.9, 1.0]
[0.0, 0.1, 0.2, 0.30000000000000004, 0.4, 0.5, 0.6000000000000001, 0.7000000000000001, 0.8, 0.9, 1.0]
"""


"""
Comment on the solutions:
The solution list comprehension in b) does exactly the same as the loop in a), but
using one line instead of 4. Filling a list with values is a very common task, and 
therefore the list comprehension is offered as an alternative and quicker solution.
"""