which one is the correct syntax to create an array of type float?

A. arr=np.float([1,2,3,4])

B. arr=np.array([1,2,3,4]).toFloat()

C. arr=np.array([1,2,3,4],dtype='float')

D. arr=np.farray([1,2,3,4])

Correct Answer is :

C. arr=np.array([1,2,3,4],dtype='float')