﻿ NumPy: Convert a given array into a list and then convert it into a list again - w3resource # NumPy: Convert a given array into a list and then convert it into a list again

## NumPy: Basic Exercise-39 with Solution

Write a NumPy program to convert a given array into a list and then convert it into a list again.

Sample Solution :

Python Code :

``````import numpy as np
a = [[1, 2], [3, 4]]
x = np.array(a)
a2 = x.tolist()
print(a == a2)
``````

Sample Output:

```True
```

Python Code Editor:

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## Python: Tips of the Day

Python: The Zip() Function

```>>> students = ('John', 'Mary', 'Mike')
>>> ages = (15, 17, 16)
>>> scores = (90, 88, 82, 17, 14)
>>> for student, age, score in zip(students, ages, scores):
...     print(f'{student}, age: {age}, score: {score}')
...
John, age: 15, score: 90
Mary, age: 17, score: 88
Mike, age: 16, score: 82
>>> zipped = zip(students, ages, scores)
>>> a, b, c = zip(*zipped)
>>> print(b)
(15, 17, 16)
```