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age = input("Please enter your age: ")

age_int = int(age)

print(f"In 5 years, you will be {age_int + 5} years old.")

# Using the `input` Function to Receive User Input

The `input()` function is used to receive input from the user, and it always returns the input data as a `string`.

```python title="Using the input() Function"
# Receive input from the user
user_input = input("Please enter your name: ")

# Output the entered data
print(f"Welcome, {user_input}!")
```

<br />

## Converting the Data Type of Input

Since the data obtained from `input()` is returned as a string, you may need to convert the input to another data type for arithmetic operations or logical comparisons.

For instance, if you want to receive a number from the user for mathematical operations, the input needs to be converted into an `integer` or `float`.

In Python, you can convert a given value to an integer using the `int()` function and to a float using the `float()` function.

The following example demonstrates using the `int()` function to convert the age entered by the user into an **integer**.

```python title="Data Type Conversion of Input"
age_input = input("Please enter your age: ")

age = int(age_input)  # Convert string to integer using int()

print(f"You are {age} years old.")
```

The input() function is used to get input from the user and it always returns data as a string (str). Therefore, conversion is required if you want to use it as a number or any other data type.

Using the input Function to Receive User Input

Converting the Data Type of Input

What is the return type of the input() function always?

Using the `input` Function to Receive User Input