NumPy: Count the number of days of specific month
NumPy DateTime: Exercise-3 with Solution
Write a NumPy program to count the number of days of specific month.
Sample Solution:
Python Code:
import numpy as np
print("Number of days, February, 2016: ")
print(np.datetime64('2016-03-01') - np.datetime64('2016-02-01'))
print("Number of days, February, 2017: ")
print(np.datetime64('2017-03-01') - np.datetime64('2017-02-01'))
print("Number of days, February, 2018: ")
print(np.datetime64('2018-03-01') - np.datetime64('2018-02-01'))
Sample Output:
Number of days, February, 2016: 29 days Number of days, February, 2017: 28 days Number of days, February, 2018: 28 days
Pictorial Presentation:
Python-Numpy Code Editor:
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Next: Write a Python program to create 24 python datetime. datetime objects (single object for every hour), and then put it in a numpy array.
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Python: Tips of the Day
Decompose a collection:
Assume we have a function that returns a tuple of two values and we want to assign each value to a separate variable. One way is to use indexing as below:
abc = (5, 10) x = abc[0] y = abc[1] print(x, y)
Output:
5 10
There is a better option that allows us to do the same operation in one line.
x, y = abc print(x, y)
Output:
5 10
It can be extended to a tuple with more than 2 values or some other data structures such as lists or sets.
x, y, z = {1, 2, 3} print(x, y, z) x, y, z = ['a', 'b', 'c'] print(x, y, z)
Output:
1 2 3 a b c
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