datatypes NumPy

Qus. 1 : which one is the correct syntax to create an array of type float?

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

Qus. 2 : What is a correct syntax to create an array of type float?

1. arr=np.array([1,2,3,4],dtype='float')
2. arr=np.array([1,2,3,4],dtype='f')
3. arr=np.array([1,2,3,4],dtype=float)
4. All of the above

Qus. 3 : <p>What is the datatype of x ?</p><pre>import numpy as np<br>a=np.array([1,2,3,4])<br>x=a.tolist()</pre><div><br></div>

1. int
2. array
3. tuple
4. list

Qus. 4 : _____ creates an uninitialized array of specified shape and dtype.

1. full
2. empty
3. init
4. None of these

Qus. 5 : What is default data type of NumPy Array

1. float
2. integer
3. string
4. boolean

Programs

---

---