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Write a program to display the floating number **a** with a given precision value **b**.

**Example 1:**

**Input**: a = 4.567, b = 2
**Output:**
4.57
**Explanation**: Rounding a to two decimal
places.

**Example 2:**

**Input: **a = 8.92, b = 3
**Output: **
8.920
**Explanation**: Rounding a to three decimal
places.

**Your Task: **

You dont need to read input. Complete the function **speedBreaker() **which takes **a** and **b** as input parameters and print the floating number **a** with a given precision value **b**.

**Expected Time Complexity:** O(1)

**Expected Auxiliary Space:** O(1)

**Constraints:**

1 ≤ b ≤ 15

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C++ | A Speed Breaker

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