Hey there, great to meet you. I’m Pi, your personal AI.
My goal is to be useful, friendly and fun. Ask me for advice, for answers, or let’s talk about whatever’s on your mind.
How's your day going?
Ok Cool. What did you want to talk about? Ask me for advice, for answers, or let’s talk about whatever’s on your mind.
You are given a code which gets as input two numbers n1 and n2 and a character op.

Note: we will learn in next lessons how to get input from the user, currently just don't touch the three first lines.

 

The possible values for op are '+', '-', '/' and '*'

Your task is to set the variable result based on the conditions:

if op is '+', set result with n1 + n2.
if op is '-', set result with n1 - n2.
if op is '/', set result with n1 / n2.
if op is '*', set result with n1 * n2.
Here’s a code snippet that implements the task:
Python
Copy
n1 = float(input("Enter first number: "))
n2 = float(input("Enter second number: "))
op = input("Enter operator (+, -, /, *): ")

if op == '+':
    result = n1 + n2
elif op == '-':
    result = n1 - n2
elif op == '/':
    result = n1 / n2
elif op == '*':
    result = n1 * n2
This code receives user inputs for n1, n2, and op via input prompts. It then calculates result based on the chosen operator. You will need to define the method to accept inputs if you’re using another language or library, as this code snippet assumes a Python environment.
print (f"The input is: {rnd}")
To print the input number rnd using an f-string in Python, you can use the following line of code:
Python
Copy
print(f"The input is: {rnd}")
This line will print the value of the variable rnd inside the string "The input is: ". Remember to replace rnd with the actual variable name that stores your input if it is named differently.
Whats the use of the fstring in python and whats its use
F-strings, also known as formatted string literals, are a feature in Python 3.6 and above that make it easier to embed expressions inside string literals, using curly braces {} as placeholders. The part before the string is denoted by the letter "f" or "F", which stands for "formatted string literal".
Here's an example of an f-string:
Python
Copy
name = "John"
age = 28
print(f"{name} is {age} years old.")
When this code is executed, the output will be "John is 28 years old."
The main use of f-strings is to simplify string formatting. They provide a concise and readable way to include variable values, calculations, or other Python expr...
Show more
Whats the use of fstrings in python and how it is implemented.Explain as if i am a beginner
F-strings, also known as formatted string literals, are a feature in Python 3.6 and above. They make it easy to embed expressions inside string literals, using curly braces {} as placeholders.
To create an f-string, you simply prefix a string with the letter "f" or "F", which stands for "formatted string literal". Inside the string, you can include expressions enclosed in curly braces. Python will evaluate these expressions and replace the placeholders with the corresponding values.
Here's an example:
Python
Copy
name = "John"
age = 28
print(f"{name} is {age} years old.")
In this case, Python will evaluate the expressions name and `...
Show more
What is the default data type of the input received from the input() function in Python?
The input() function in Python always returns a string as the default data type. Whatever input a user provides through input(), Python considers it as a string by default. If you need to perform operations that require other data types such as integers, floats, or boolean values, you must convert the input into the appropriate data type using built-in conversion functions like int(), float(), or bool().
Here's an example of converting user input into an integer:
Python
Copy
# Ask user to input an integer
user_input = input("Please enter an integer: ")

# Convert the user input to integer data type
integer_input = int(user_input)

#...
Show more
If a user inputs the number 42, which of the following representations is correct for the variable var storing this input?

42

None of the options

"'42'"

"42"
When a user inputs the number 42 using the input() function, the correct representation of the variable var storing this input is "42".
This is because Python's input() function always returns a string, even if the user enters a number. So, when the user enters 42, Python interprets it as the string "42".
In Python, strings are denoted with either single quotes ('42') or double quotes ("42"). However, the input() function doesn't include the quotes when capturing the user input.
Here's an example that illustrates this:
Python
Copy
# Ask user to input a number
user_input = input("Please enter a number: ")

# Print the type of the input
print("Type of input:", type(user_input))

# Print the input as it was captured
print("Captured input:", user_input)
When a user inputs 42 in this case, the output will be:
Text
Copy
Type of input: <class 'str'>
Captured input: 42
This shows that Python treats the input as a string and stores it as "42" in the variable user_input.
Write a program that get input from the user (their name), and then outputs Hello,  followed by the user's inputted name.

For example, if the user inputs Bob, the expected output is Hello, Bob.

You will need to:

Use input() to get input from the user.
Store the input in a variable.
Print Hello,  and the stored variable in the end.

Use the f"" string to print the variable inside the print