From d87e83206ea21bc2290ce459ffba878e94e49f95 Mon Sep 17 00:00:00 2001
From: Ian Goodnight <ian.goodnight@scythe.io>
Date: Sun, 16 Jun 2024 14:44:45 -0400
Subject: week 273

---
 challenge-273/iangoodnight/python/task1.py | 85 ++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 challenge-273/iangoodnight/python/task1.py

(limited to 'challenge-273/iangoodnight/python/task1.py')

diff --git a/challenge-273/iangoodnight/python/task1.py b/challenge-273/iangoodnight/python/task1.py
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+"""
+## Task 1: Percentage of Character
+
+**Submitted by:** [Mohammad Sajid Anwar][0]
+
+You are given a string, `$str` and a character `$char`.
+
+Write a script to return the percentage, nearest whole, of given character in
+the given string.
+
+**Example 1**
+
+```
+Input: $str = "perl", $char = "e"
+Output: 25
+```
+
+**Example 2**
+
+```
+Input: $str = "java", $char = "a"
+Output: 50
+```
+
+**Example 3**
+
+```
+Input: $str = "python", $char = "m"
+Output: 0
+```
+
+**Example 4**
+
+```
+Input: $str = "ada", $char = "a"
+Output: 67
+```
+
+**Example 5**
+
+```
+Input: $str = "ballerina", $char = "l"
+Output: 22
+```
+
+**Example 6**
+
+```
+Input: $str = "analitik", $char = "k"
+Output: 13
+```
+
+[0]: https://manwar.org/
+"""
+
+PERCENTAGE_FACTOR = 100   # multiply the decimal value by 100 to get percentage
+ROUNDING_THRESHOLD = 0.5  # ensure we are rounding half up, rather than even up
+
+
+def percentage_of_character(string: str, char: str) -> int:
+    """Return the percentage of given character in the given string.
+
+    Args:
+        string: The string to search for the character.
+        char: The character to search for in the string.
+
+    Returns:
+        The percentage of the character in the string, rounded to the nearest
+        whole number.
+    """
+    # Get the length of the string for testing and calculating the percentage
+    string_length = len(string)
+    # Return 0 if the string or character are empty
+    if string_length == 0 or len(char) == 0:
+        return 0
+    # Count the number of times the character appears in the string
+    char_count = string.count(char)
+    # Calculate the percentage of the character in the string as a decimal
+    decimal_percentage = char_count / string_length
+    # Convert the decimal percentage to a percentage
+    percentage = decimal_percentage * PERCENTAGE_FACTOR
+    # Round the percentage to the nearest whole number (half up rounding)
+    rounded_percentage = int(percentage + ROUNDING_THRESHOLD)
+
+    return rounded_percentage
-- 
cgit