# Python: Find the digits which are absent in a given mobile number

## Python Basic - 1: Exercise-25 with Solution

Write a Python program to find the digits that are missing from a given mobile number.

**Sample Solution**:

**Python Code:**

```
def absent_digits(n):
all_nums = set([0,1,2,3,4,5,6,7,8,9])
n = set([int(i) for i in n])
n = n.symmetric_difference(all_nums)
n = sorted(n)
return n
print(absent_digits([9,8,3,2,2,0,9,7,6,3]))
```

Sample Output:

[1, 4, 5]

**Pictorial Presentation:**

**Flowchart:**

**Python Code Editor:**

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