Question

Write a program in Pythonthat satisfies each of the following requirements:

Assign a value to a variable
Print text and a variable
Get a decimal number from the user
Perform a mathematical calculation on a variable
Demonstrate the use of a comma and a plus sign in a print statement doesn′thavetobethesameprintstatement
Use comments explaining what data type each of the variables hold

Answer 1

Here's a simple Python program that meets all the specified requirements. The program assigns a value to a variable, prints a message along with the variable, collects a decimal number from the user, performs a calculation, and demonstrates the use of both a comma and a plus sign in print statements.

```python
# Assigning a value to a variable
integer_variable = 5 # This is an integer

# Printing text and the variable
print("The value of the integer variable is:", integer_variable)

# Getting a decimal number from the user
decimal_variable = float(input("Please enter a decimal number: ")) # This will store a float

# Performing a mathematical calculation on a variable
result = integer_variable * decimal_variable # Performing multiplication

# Demonstrating the use of a comma in the print statement
print("The result of multiplying", integer_variable, "and", decimal_variable, "is:")

# Demonstrating the use of a plus sign in a print statement
print("The result is: " + str(result)) # Converting result to string to concatenate
```

### Explanation of the program:
1. **Variable Assignment**: `integer_variable` is assigned an integer value of `5`.
2. **Print with Variable**: It prints a message along with the value of `integer_variable`.
3. **User Input**: It prompts the user to enter a decimal number and converts the input to a `float`.
4. **Mathematical Calculation**: It multiplies the `integer_variable` by the user-input decimal and stores the result in `result`.
5. **Print Statements**:
- The first print statement uses commas to print multiple items.
- The second print statement uses a plus sign to concatenate a string with the string representation of the result.

### Data Types:
- `integer_variable` is of type `int`.
- `decimal_variable` is of type `float`.
- `result` is also of type `float` as it is the product of an `int` and a `float`.