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capitalize (#2389)

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* Create capitalize.py

This function will capitalize the first character of a sentence or a word

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update strings/capitalize.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update capitalize.py

* Update strings/capitalize.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update capitalize.py

* Update capitalize.py

* Update capitalize.py

* Update strings/capitalize.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update capitalize.py

* Update strings/capitalize.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update capitalize.py

* Update capitalize.py

Co-authored-by: Christian Clauss <cclauss@me.com>
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mohammadreza490 2020-09-03 15:11:23 +01:00 committed by GitHub
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from string import ascii_lowercase, ascii_uppercase
def capitalize(sentence: str) -> str:
"""
This function will capitalize the first letter of a sentence or a word
>>> capitalize("hello world")
'Hello world'
>>> capitalize("123 hello world")
'123 hello world'
>>> capitalize(" hello world")
' hello world'
>>> capitalize("a")
'A'
>>> capitalize("")
''
"""
if not sentence:
return ''
lower_to_upper = {lc: uc for lc, uc in zip(ascii_lowercase, ascii_uppercase)}
return lower_to_upper.get(sentence[0], sentence[0]) + sentence[1:]
if __name__ == "__main__":
from doctest import testmod
testmod()