import numpy as np
import matplotlib as plt # Scalars & Arithmetic
a = 5
b = 7.5
print("a has value {} and is of type {}".format(a,type(a)))
print("b has value {} and is of type {}".format(b,type(b)))
print("\n a + b = {} \n a - b = {} \n a * b = {} \n a / b = {} ".format((a+b),(a-b),(a*b),(a/b)))

```
a has value 5 and is of type <class 'int'>
b has value 7.5 and is of type <class 'float'>
a + b = 12.5
a - b = -2.5
a * b = 37.5
a / b = 0.6666666666666666
```