exercise 6.3 - is_between

"""===========================
exercise 6.3
=============================="""

def is_between (x, y, z):
    if (x <= y) and (y <=z):
        return True
    else:
        return False
        
print is_between (1,1,1)
print is_between (1,1,2)
print is_between (1,1.5,2)
print is_between (1,2,1)
print is_between (1,2,3)