def plot(data):
    """Plot data down the page, larger values plot to the right."""

    for value in data:
        print(" "*value + "*")
    print()        # a blank line to end

data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

# plot the unchanged data
print(data)
plot(data)

# change data to value mod 5
mod_data = [value%5 for value in data]
print(mod_data)
plot(mod_data)

# 'reflect' any value greater than limit of 5
limit = 5
mod_data = []
for value in data:
    if value > limit:
        value = 2*limit - value
    mod_data.append(value)
# a list comprehension is probably too complicated
#mod_data = [value if value <= limit else 2*limit - value for value in data]
print(mod_data)
plot(mod_data)