# Python: Compute the square of first N Fibonacci numbers, use map function and generate a list of the numbers

## Python map: Exercise-10 with Solution

Write a Python program to compute the square of the first N Fibonacci numbers, using the map function and generate a list of the numbers.

**Fibonacci numbers:**

From Wikipedia,

In mathematics, the Fibonacci numbers, commonly denoted Fn, form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding ones, starting from 0 and 1. That is,

**F _{0} = 0, F_{1} = 1,**

and

**F _{n} = F_{n - 1} + F_{n - 2},**

for n > 1.

The beginning of the sequence is thus:

**0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144,....**

**Sample Solution**:

**Python Code :**

```
import itertools
n = 10
def fibonacci_nums(x=0, y=1):
yield x
while True:
yield y
x, y = y, x + y
print("First 10 Fibonacci numbers:")
result = list(itertools.islice(fibonacci_nums(), n))
print(result)
square = lambda x: x * x
print("\nAfter squaring said numbers of the list:")
print(list(map(square, result)))
```

Sample Output:

First 10 Fibonacci numbers: [0, 1, 1, 2, 3, 5, 8, 13, 21, 34] After squaring said numbers of the list: [0, 1, 1, 4, 9, 25, 64, 169, 441, 1156]

**Python Code Editor:**

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