# Write a NumPy program to calculate percentiles for a sequence or single-dimensional NumPy array.  
 import numpy as np
nums = np.array([1,2,3,4,5])
print("50th percentile (median):")
p = np.percentile(nums, 50)
print(p)
print("40th percentile:")
p = np.percentile(nums, 40)
print(p)
print("90th percentile:")
p = np.percentile(nums, 90)
print(p)
