push pop for numpy

poppushnumpy.py

import numpy as np

a = np.array(["1","2","3"])
print(a)
print(type(a))
a=a[1:]
print(a)
print(len(a))
a=np.append(a,1)
print(a)
print(len(a))
a=a[1:]
print(a)
print(len(a))
a=np.append(a,6)
print(a)
print(len(a))