Displaying elements of a list, in columns
Fancy iteration in Python is often made easier using the itertools module.  For this case, itertools.islice() can help pick out the values for each row.

from itertools import islice

cols = 4
step = 10
vlist = ["Value" + str(i+1) for i in range(100)]

for row in range(step):
    print(', '.join(islice(vlist, row, cols * step, step)), end=", \n\n")