input() in Python
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Lecture 20:- input() in Python
In Python,
input()is a built-in function used to read input from the user via the console or terminal. Theinput()function allows you to prompt the user for information, and the user can respond by typing in a value, which is then returned as a string.The syntax of the
input()function is as follows:pythonCopy code
input([prompt])Here's what the argument means:
prompt(optional): An optional string that specifies the message to be displayed to the user before waiting for input. This message is often used as a prompt to instruct the user on what input is expected.Example:
pythonCopy code
name = input("Enter your name: ") print("Hello, " + name + "! Welcome.")In this example, the program will display the message "Enter your name: " to the user in the console. The user can then type in their name and press Enter. The
input()function will read the input as a string and assign it to the variablename. The program will then print a greeting message using the entered name.Keep in mind that the
input()function always returns a string, even if the user enters a number. If you need the user input as a specific data type (e.g., integer, float), you'll need to perform type conversion using functions likeint()orfloat().Example:
pythonCopy code
age_str = input("Enter your age: ") age_int = int(age_str) # Convert the input string to an integer print("In 10 years, you will be " + str(age_int + 10) + " years old.")In this example, the user enters their age as input. The input is initially stored as a string in the variable
age_str. We then useint(age_str)to convert the input string to an integer, so we can perform numerical calculations on it. The program then adds 10 to the user's age and prints the result as a string.The
input()function is commonly used for creating interactive programs and taking user input for various purposes, such as customizing program behavior, collecting user data, and more.
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- 2. Background Part 2 (Computer Organization & Operating System) In Python
- 3. Why Do We Need Programming Languages in Python
- 4. Python Introduction in Python
- 5. Python Standard and Implementations in Python
- 6. How Python Programs are Executed
- 7. Python Programming Terminology
- 8. Python Installation and First Program
- 9. Comments in Python
- 1. Arithmetic Operators in Python
- 2. Logical Operators in Python
- 3. Identity Comparison Operators in Python
- 4. Membership Test Operators in Python
- 5. Bitwise Operators in Python Part 1
- 6. Bitwise Operators In Python Part 2
- 7. Arithmetic Progression nth Term in Python
- 8. Geometric Progression nth Term in Python
- 9. Sum Of Natural numbers In Python
- 10. Find Last Digit In Python
- 11. Day Before N Days In Python
- 1. Loops In Python
- 2. While Loops In Python
- 3. range() In Python
- 4. For Loop In Python
- 5. Table Of A Number In Python
- 6. Break In Python
- 7. Continue In Python
- 8. Nested Loop In Python
- 9. Square Pattern In Python
- 10. Printing Triangle Pattern In Python
- 11. Inverted Triangle In Python
- 12. Pyramid Pattern In Python
- 13. Count Digits In Python
- 14. Factorial In Python
- 15. GCD In Python
- 16. LCM In Python
- 17. Fibonacci Numbers In Python
- 18. Check For Prime In Python
- 19. All Divisors In Python
- 20. Optimizations Of All Divisors And Prime Python
- 1. Strings In Python
- 2. Escape Sequences And Raw Strings Python
- 3. Formatted String In Python
- 4. String Operations Part(1) In Python
- 5. String Operations Part(2) In Python
- 6. String Comparison in Python
- 7. Pattern Searching In Python
- 8. Check For Palindrome In Python
- 9. Reverse A String In Python
- 10. Decimal to Binary In Python
- 11. Binary to Decimal Conversion In Python
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