# Python: Count number of zeros and ones in the binary representation of a given integer

## Python Basic - 1: Exercise-131 with Solution

Write a Python program to count the number of zeros and ones in the binary representation of a given integer.

**Sample Solution**

**Python Code:**

```
def test(num):
ones = bin(num). replace("0b", "").count('1')
zeros = bin(num). replace("0b", "").count('0')
return "Number of zeros: " + str(zeros) + ", Number of ones: " + str(ones);
n = 12;
print("Original number: ",n);
print("Number of ones and zeros in the binary representation of the said number:");
print(test(n));
n = 1234;
print("\nOriginal number: ",n);
print("Number of ones and zeros in the binary representation of the said number:");
print(test(n));
```

Sample Output:

Original number: 12 Number of ones and zeros in the binary representation of the said number: Number of zeros: 2, Number of ones: 2 Original number: 1234 Number of ones and zeros in the binary representation of the said number: Number of zeros: 6, Number of ones: 5

**Flowchart:**

**Python Code Editor:**

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