blob: 99fd57554b34b0c88541c0a5b7defe805873dd36 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#!/usr/bin/python3
# Challenge 027
#
# Task #2
# Write a script that allows you to capture/display historical data. It could
# be an object or a scalar. For example
#
# my $x = 10; $x = 20; $x -= 5;
#
# After the above operations, it should list $x historical value in order.
class LoggingScalar:
def __init__(self, value):
self.values = [value]
def set(self, value):
self.values.append(value)
def get(self):
return self.values[-1]
def show_hist(self):
print(" ".join([str(x) for x in self.values]))
x = LoggingScalar(10)
x.set(20)
x.set(x.get()-5)
x.show_hist()
|
