﻿ Python: Create a key-value list pairings in a given dictionary - w3resource

# Python: Create a key-value list pairings in a given dictionary

## Python dictionary: Exercise-64 with Solution

Write a Python program to create a key-value list pairings in a given dictionary.

Sample Solution:

Python Code:

``````from itertools import product
def test(dictt):
result = [dict(zip(dictt, sub)) for sub in product(*dictt.values())]
return result

students = {1: ['Jean Castro'], 2: ['Lula Powell'], 3: ['Brian Howell'], 4: ['Lynne Foster'], 5: ['Zachary Simon']}

print("\nOriginal dictionary:")
print(students)
print("\nA key-value list pairings of the said dictionary:")
print(test(students))
```
```

Sample Output:

```Original dictionary:
{1: ['Jean Castro'], 2: ['Lula Powell'], 3: ['Brian Howell'], 4: ['Lynne Foster'], 5: ['Zachary Simon']}

A key-value list pairings of the said dictionary:
[{1: 'Jean Castro', 2: 'Lula Powell', 3: 'Brian Howell', 4: 'Lynne Foster', 5: 'Zachary Simon'}]
```

Pictorial Presentation:

Flowchart:

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## Python: Tips of the Day

Invokes the provided function after ms milliseconds:

Example:

```from time import sleep

def tips_delay(fn, ms, *args):
sleep(ms / 1000)
return fn(*args)
print(tips_delay(
lambda x: print(x),
1000,
'w3r'
))
```

Output:

```w3r
None
```