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ItIs

Is Number

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"""Check if a string is a number."""

from xloft import is_number
# from xloft.itis import is_number


is_number("")  # => False
is_number(" ")  # => False
is_number("1230.")  # => False
is_number("0x5")  # => False
is_number("0o5")  # => False

is_number("-5.0")  # => True
is_number("+5.0")  # => True
is_number("5.0")  # => True
is_number(".5")  # => True
is_number("5.")  # => True
is_number("3.4E+38")  # => True
is_number("3.4E-38")  # => True
is_number("1.7E+308")  # => True
is_number("1.7E-308")  # => True
is_number("-1.7976931348623157e+308")  # => True
is_number("1.7976931348623157e+308")  # => True
is_number("72028601076372765770200707816364342373431783018070841859646251155447849538676")  # => True
is_number("-72028601076372765770200707816364342373431783018070841859646251155447849538676")  # => True

Is Palindrome

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"""Check if a string is a palindrome."""

from xloft import is_palindrome
# from xloft.itis import is_palindrome

is_palindrome("racecar")  # True
is_palindrome("Go hang a salami, I'm a lasagna hog") # True
is_palindrome("22022022")  # True
is_palindrome("Gene")  # False
is_palindrome("123")  # False
is_palindrome(123)  # TypeError
is_palindrome("")  # ValueError