In this program, You will learn how to find largest of three numbers using function in Python.

```
10 20 30 => 30
15 11 10 => 15
```

## Example: How to find largest of three numbers using function in Python.

```
def largest(x, y, z):
if x > y and x > z:
return x
elif y > z:
return y
else:
return z
x = int(input("Enter first number:"))
y = int(input("Enter second number:"))
z = int(input("Enter third number:"))
result = largest(x, y, z)
print("Largest is:", result)
```

#### Output:

```
Enter first number:10
Enter second number:30
Enter third number:20
Largest is: 30
```