Swap uppercase and lowercase of text (hELLO to Hello) with code using Python and Rust
#Python #Rust #rustlang #programming #textprocessing
Learn how to swap uppercase and lowercase and text within a string using Python and Rust as example languages. This no-fluff tutorial is excellent for those people who like to learn by doing.
It's not the most efficient way to do this though. What are your suggested improvements?
Python code as a single function:
def invert_case(text: str):
opposites = {}
for (u, l) in zip(iter(text.upper()), iter(text.lower())):
opposites[u] = l
opposites[l] = u
return "".join(opposites[c] for c in iter(text))
Rust code available via this link: https://play.rust-lang.org/?version=s...
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Code: https://github.com/timClicks/tutorial...
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