added python number snippets

pysnippets/Numbers/Formatting_to_2_decimal.py

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+
+# Formatting to 2 decimal.py
+
+def format_to_two_decimals(num):
+    """
+    Format a number to two decimal places.
+
+    Args:
+        num (float): The number to format.
+
+    Returns:
+        str: The formatted number as a string with two decimal places.
+
+    Example:
+        >>> format_to_two_decimals(1234.5678)
+        '1234.57'
+    """
+    return f"{num:.2f}"
+
+
+# Example usage
+if __name__ == "__main__":
+    print(format_to_two_decimals(1234.5678))  # Output: "1234.57"
+
+# test_formatting_to_2_decimal.py
+
+from Formatting_to_2_decimal import format_to_2_decimal
+
+def test_format_to_2_decimal():
+    assert format_to_2_decimal(3.14159) == '3.14'
+    assert format_to_2_decimal(2.5) == '2.50'
+    assert format_to_2_decimal(1.0) == '1.00'
+    assert format_to_2_decimal(0) == '0.00'
+    assert format_to_2_decimal(-2.345) == '-2.35'
+    print("All tests for format_to_2_decimal passed!")
+
+if __name__ == "__main__":
+    test_format_to_2_decimal()
+

pysnippets/Numbers/padding_with_zeros.py

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+
+# padding_with_zeros.py
+
+def pad_with_zeros(num, total_length):
+    """
+    Pad a number with leading zeros to achieve a specified total length.
+
+    Args:
+        num (int, float): The number to pad with zeros.
+        total_length (int): The total length of the final string.
+
+    Returns:
+        str: The number padded with zeros.
+
+    Example:
+        >>> pad_with_zeros(42, 5)
+        '00042'
+    """
+    return f"{num:0{total_length}}"
+
+
+# Example usage
+if __name__ == "__main__":
+    print(pad_with_zeros(42, 5))  # Output: "00042"
+
+# test_padding_with_zeros.py
+
+from Padding_with_zeros import pad_with_zeros
+
+def test_pad_with_zeros():
+    assert pad_with_zeros(42, 5) == '00042'
+    assert pad_with_zeros(123, 6) == '000123'
+    assert pad_with_zeros(7, 2) == '07'
+    assert pad_with_zeros(0, 3) == '000'
+    assert pad_with_zeros(-5, 4) == '-05'
+    print("All tests for pad_with_zeros passed!")
+
+if __name__ == "__main__":
+    test_pad_with_zeros()
+

pysnippets/Numbers/percentage_formatting.py

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+
+# percentage_formatting.py
+
+def format_percentage(value, decimal_places=2):
+    """
+    Format a number as a percentage with a specified number of decimal places.
+
+    Args:
+        value (float): The number to format as a percentage.
+        decimal_places (int): The number of decimal places (default is 2).
+
+    Returns:
+        str: The formatted percentage as a string.
+
+    Example:
+        >>> format_percentage(0.7567)
+        '75.67%'
+    """
+    return f"{value * 100:.{decimal_places}f}%"
+
+
+# Example usage
+if __name__ == "__main__":
+    print(format_percentage(0.7567))  # Output: "75.67%"
+
+# test_percentage_formatting.py
+
+from Percentage_formatting import format_as_percentage
+
+def test_format_as_percentage():
+    assert format_as_percentage(0.125) == '12.50%'
+    assert format_as_percentage(0) == '0.00%'
+    assert format_as_percentage(1) == '100.00%'
+    assert format_as_percentage(-0.75) == '-75.00%'
+    assert format_as_percentage(2.5) == '250.00%'
+    print("All tests for format_as_percentage passed!")
+
+if __name__ == "__main__":
+    test_format_as_percentage()
+