Coding Exercise for Beginners in Python with solution | Exercise 25 | Python for Beginners #lec75

Jenny's Lectures CS IT
2 Jul 202311:14

Summary

TLDRIn this Python programming tutorial, viewers learn how to create a function to determine the number of days in a month, considering leap years. The instructor guides through coding a 'days_in_month' function that accepts year and month as inputs. The function checks if the year is a leap year and returns 29 days for February in that case. Otherwise, it uses a list to return the number of days based on the month. The video also touches on the concept of return versus print in functions, promising a deeper dive in the next episode.

Takeaways

  • 💻 The video is part of a series on learning Python programming language, specifically focusing on functions.
  • 📚 The previous video discussed how to return multiple values from a function and use multiple return statements.
  • 📝 The coding exercise is to create a function that determines the number of days in a given month, considering leap years.
  • 🗓️ For non-leap years, February has 28 days, and for leap years, it has 29 days.
  • 🔢 Users input a year and a month number (1 for January, 2 for February, etc.) to get the number of days in that month.
  • 🔄 The function 'days_in_month' checks if the year is a leap year and returns the correct number of days based on the month.
  • 📑 A separate function 'leap_year' is used to determine if a given year is a leap year based on divisibility rules.
  • 🔄 The 'leap_year' function returns 'True' if the year is a leap year and 'False' otherwise.
  • 💡 The script emphasizes the importance of understanding the difference between using 'print' and 'return' in functions.
  • 👨‍🏫 The video encourages viewers to practice the logic on paper before coding to solidify their understanding.

Q & A

  • What is the main topic discussed in the video script?

    -The main topic discussed in the video script is learning how to create a Python function to determine the number of days in a given month, taking into account whether the year is a leap year or not.

  • What is the purpose of the coding exercise mentioned in the script?

    -The purpose of the coding exercise is to practice creating a Python function that returns the correct number of days in a month based on the input year and month, with special consideration for leap years.

  • What is the twist in the coding exercise that the script refers to?

    -The twist in the coding exercise is the need to account for leap years, where February has 29 days instead of the usual 28.

  • How does the script suggest to represent months when coding?

    -The script suggests representing months numerically, where 1 means January, 2 means February, and so on.

  • What is the condition to check if a year is a leap year according to the script?

    -A year is considered a leap year if it is divisible by 4, but years divisible by 100 are leap years only if they are also divisible by 400.

  • What is the significance of the 'days_list' in the script?

    -The 'days_list' is a list in the script that contains the number of days in each month, used to return the correct number of days based on the month input.

  • Why is 'month - 1' used in the script when accessing the 'days_list'?

    -The 'month - 1' is used because list indices start at 0 in Python, so to align the month number with the correct index in the list, 1 must be subtracted from the month number.

  • What is the difference between 'print' and 'return' in the context of the script?

    -In the context of the script, 'print' is used to output the result directly to the console, while 'return' is used to return a value from a function, which can then be used or displayed elsewhere in the program.

  • What is the role of the 'leap_year' function in the script?

    -The 'leap_year' function in the script is used to determine if the given year is a leap year. It returns 'True' if it is a leap year and 'False' otherwise.

  • What is the next topic the script mentions will be discussed in the next video?

    -The next topic to be discussed in the next video is the difference between 'print' and 'return' in Python functions.

Outlines

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Mindmap

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Keywords

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Highlights

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Transcripts

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Python ProgrammingFunctionsLeap YearDays in MonthCoding ExerciseEducational ContentProgramming TutorialYear ValidationMonth CalculationPython Syntax
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