Dictionary keyed by first and last letters

Write a Python function that maps the first and last letter of each word to the word.

"Python is easy to learn"

{'Pn': 'Python', 'is': 'is', 'ey': 'easy', 'to': 'to', 'ln': 'learn'}

Approach

1. Key is w[0] + w[-1].

Solution

def word_map(text):    return {w[0] + w[-1]: w for w in text.split()} print(word_map("Python is easy to learn"))

{'Pn': 'Python', 'is': 'is', 'ey': 'easy', 'to': 'to', 'ln': 'learn'}

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