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Added Python factorial calculating snippet #214

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60 changes: 60 additions & 0 deletions public/consolidated/java.json
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Original file line number Diff line number Diff line change
Expand Up @@ -33,5 +33,65 @@
"code": "// This is the main class of the Java program\npublic class Main {\n // The main method is the entry point of the program\n public static void main(String args[]) {\n // This statement prints \"Hello, World!\" to the console\n System.out.println(\"Hello, World!\");\n }\n}\n\n"
}
]
},
{
"name": "Date Time",
"snippets": [
{
"title": "Date time formatting american",
"description": "Formats a timestamp to a human-readable date-time string in the format \"MM/dd/yyyy hh:mm:ss a\"",
"author": "Mcbencrafter",
"tags": [
"date",
"time",
"date-time",
"formatting",
"american"
],
"contributors": [],
"code": "import java.time.Instant;\nimport java.time.ZoneId;\nimport java.time.format.DateTimeFormatter;\nimport java.util.concurrent.TimeUnit;\n\n// using the system default time zone\npublic static String formatDateTimeAmerican(long time, TimeUnit timeUnit) {\n return formatDateTimeAmerican(time, timeUnit, ZoneId.systemDefault());\n}\n\npublic static String formatDateTimeAmerican(long time, TimeUnit timeUnit, ZoneId timeZone) {\n return DateTimeFormatter.ofPattern(\"MM/dd/yyyy hh:mm:ss a\")\n .withZone(\n timeZone != null ? timeZone : ZoneId.systemDefault()\n )\n .format(Instant.ofEpochSecond(\n timeUnit.toSeconds(time)\n ));\n}\n\n// Usage:\nSystem.out.println(formatDateTimeAmerican(1735689599, TimeUnit.SECONDS)); // \"12/31/2024 | 11:59:59 PM\" for GMT+0000\nSystem.out.println(formatDateTimeAmerican(1735689599, TimeUnit.SECONDS, ZoneId.of(\"GMT+0000\"))); // \"12/31/2024 | 11:59:59 PM\"\n"
},
{
"title": "Date time formatting european",
"description": "Formats a timestamp to a human-readable date-time string in the format \"dd.MM.yyyy HH:mm:ss\"",
"author": "Mcbencrafter",
"tags": [
"date",
"time",
"date-time",
"formatting",
"european"
],
"contributors": [],
"code": "import java.time.Instant;\nimport java.time.ZoneId;\nimport java.time.format.DateTimeFormatter;\nimport java.util.concurrent.TimeUnit;\n\n// using the system default time zone\npublic static String formatDateTimeEuropean(long time, TimeUnit timeUnit) {\n return formatDateTimeEuropean(time, timeUnit, ZoneId.systemDefault());\n}\n\npublic static String formatDateTimeEuropean(long time, TimeUnit timeUnit, ZoneId timeZone) {\n return DateTimeFormatter.ofPattern(\"dd.MM.yyyy HH:mm:ss\")\n .withZone(\n timeZone != null ? timeZone : ZoneId.systemDefault()\n )\n .format(Instant.ofEpochSecond(\n timeUnit.toSeconds(time)\n ));\n}\n\n// Usage:\nSystem.out.println(formatDateTimeEuropean(1735689599, TimeUnit.SECONDS)); // \"31.12.2024 | 23:59:59\" for GMT+0000\nSystem.out.println(formatDateTimeEuropean(1735689599, TimeUnit.SECONDS, ZoneId.of(\"GMT+0000\"))); // \"31.12.2024 | 23:59:59\"\n"
},
{
"title": "Duration formatting hours minutes seconds",
"description": "Converts a given time duration to a human-readable string in the format \"hh:mm(:ss)\"",
"author": "Mcbencrafter",
"tags": [
"time",
"formatting",
"hours",
"minutes",
"seconds"
],
"contributors": [],
"code": "import java.util.concurrent.TimeUnit;\n \npublic static String formatDurationToHoursMinutesAndSeconds(int time, TimeUnit timeUnit, boolean showSeconds) {\n long totalSeconds = timeUnit.toSeconds(time);\n\n if (totalSeconds < 0)\n throw new IllegalArgumentException(\"Duration must be a non-negative value.\");\n\n // These variables can be directly used in the return statement,\n // but are kept as separate variables here for better readability.\n long hours = totalSeconds / 3600;\n long minutes = (totalSeconds % 3600) / 60;\n long seconds = totalSeconds % 60;\n\n if (showSeconds) {\n return String.format(\"%02d:%02d:%02d\", hours, minutes, seconds);\n } else {\n return String.format(\"%02d:%02d\", hours, minutes);\n }\n}\n\n// Usage:\nSystem.out.println(formatDurationToHoursMinutesAndSeconds(3810, TimeUnit.SECONDS, true)); // \"01:03:30\"\nSystem.out.println(formatDurationToHoursMinutesAndSeconds(3810, TimeUnit.SECONDS, false)); // \"01:03\"\n"
},
{
"title": "Duration formatting minutes seconds",
"description": "Converts a given time duration to a human-readable string in the format \"mm:ss\"",
"author": "Mcbencrafter",
"tags": [
"time",
"formatting",
"minutes",
"seconds"
],
"contributors": [],
"code": "import java.util.concurrent.TimeUnit;\n\npublic static String formatDurationToMinutesAndSeconds(int time, TimeUnit timeUnit) {\n long totalSeconds = timeUnit.toSeconds(time);\n\n if (totalSeconds < 0)\n throw new IllegalArgumentException(\"Duration must be a non-negative value.\");\n\n // These variables can be directly used in the return statement,\n // but are kept here as separate variables for better readability.\n long minutes = totalSeconds / 60;\n long seconds = totalSeconds % 60;\n\n return String.format(\"%02d:%02d\", minutes, seconds);\n}\n\n// Usage:\nSystem.out.println(formatDurationToMinutesAndSeconds(120, TimeUnit.SECONDS)); // \"02:00\"\nSystem.out.println(formatDurationToMinutesAndSeconds(75, TimeUnit.SECONDS)); // \"01:15\"\n"
}
]
}
]
13 changes: 13 additions & 0 deletions public/consolidated/python.json
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Expand Up @@ -357,6 +357,19 @@
"contributors": [],
"code": "def compound_interest(principal, rate, time, n=1):\n return principal * (1 + rate / n) ** (n * time)\n\n# Usage:\ncompound_interest(1000, 0.05, 5) # Returns: 1276.2815625000003\ncompound_interest(1000, 0.05, 5, 12) # Returns: 1283.68\n"
},
{
"title": "Calculate Factiorial of a number",
"description": "Calculates factorial of a given number using recursive function",
"author": "Samrat",
"tags": [
"python",
"math",
"factorial",
"recursive-function"
],
"contributors": [],
"code": "def factorial(n):\n if n == 0 or n == 1: return 1\n else: return n * factorial(n-1)\n\n# Usage:\nprint(factorial(5)) # Returns 24\nprint(factorial(10)) # Returns 3628800\n"
},
{
"title": "Check Perfect Square",
"description": "Checks if a number is a perfect square.",
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16 changes: 16 additions & 0 deletions snippets/python/math-and-numbers/calculate-factiorial.md
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---
title: Calculate Factiorial of a number
description: Calculates factorial of a given number using recursive function
author: SamratBarai
tags: python,math,factorial,recursive-function
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@Mathys-Gasnier Mathys-Gasnier Jan 8, 2025

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Please read the CONTRIBUTING.md file before adding snippets. Tags shouldn't contain the name of the language they are written in

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@SamratBarai SamratBarai Jan 9, 2025

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Hello, calculate-compound-interest.md also has this tag

---

```py
def factorial(n):
if n == 0 or n == 1: return 1
else: return n * factorial(n-1) # Recall the factorial function

# Usage:
print(factorial(5)) # Returns 24
print(factorial(10)) # Returns 3628800
```

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