numpy 的关联性

# numpy 的关联性
#Numpy copy & deep copy
import numpy as np
a = np.arange(4)
print(a)
# =带来的赋值会带来关联性
b = a
c = a
d = b
print(b,c,d)
a[3] = 88
print(a,b,c,d)
print(a == d)

#copy()的赋值方式没有关联性
e = np.copy(a)
e[3] = 99
print(a)
print(e)