In this program, You will learn how to find the largest of three numbers using nested if statement in Python.

```
10 20 30 => 30
40 30 20 => 40
```

## Example: How to find the largest of three numbers using nested if in Python.

```
x = int(input("Enter first number:"))
y = int(input("Enter second number:"))
z = int(input("Enter third number:"))
if x > y:
if x > z:
print("Greatest is:", x)
else:
print("Greatest is:", z)
else:
if y > z:
print("Greatest is:", y)
else:
print("Greatest is:", z)
```

#### Output:

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