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DimasInchidi/expert_chapter_17_1.py

Last active December 9, 2017 18:54
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why e.C changed after e.get_md() called?
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expert_chapter_17_1.py
from pprint import pprint
class E:
R = [1, 2, 3, 4]
C = []
D = []
def get_mc(self):
self.C = self.R
for i in range(len(self.R)):
self.C[i] = 1
def get_md(self):
self.D = self.R
for i in range(len(self.R)):
print(self.C)
self.D[i] = 3
e = E()
e.get_mc()
pprint(e.C)
pprint(e.D)
e.get_md()
pprint(e.C)
pprint(e.D)
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