﻿ NumPy: Display all the dates for the month of March, 2017 - w3resource

# NumPy: Display all the dates for the month of March, 2017

## NumPy DateTime: Exercise-1 with Solution

Write a NumPy program to display all the dates for the month of March, 2017.

Sample Solution:-

Python Code:

``````import numpy as np
print("March, 2017")
print(np.arange('2017-03', '2017-04', dtype='datetime64[D]'))
``````

Sample Output:

```March, 2017
['2017-03-01' '2017-03-02' '2017-03-03' '2017-03-04' '2017-03-05'
'2017-03-06' '2017-03-07' '2017-03-08' '2017-03-09' '2017-03-10'
'2017-03-11' '2017-03-12' '2017-03-13' '2017-03-14' '2017-03-15'
'2017-03-16' '2017-03-17' '2017-03-18' '2017-03-19' '2017-03-20'
'2017-03-21' '2017-03-22' '2017-03-23' '2017-03-24' '2017-03-25'
'2017-03-26' '2017-03-27' '2017-03-28' '2017-03-29' '2017-03-30'
'2017-03-31']
```

Pictorial Presentation:

Python-Numpy Code Editor:

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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
```