How to Multiply a List by a Scalar in Python

1
2
3
4

li = [1,2,3,4]
multiple = 2.5
li = [x*multiple for x in li]
print(li)

1
2
3
4
5
6
7

li = [1,2,3,4]
multiple = 2.5
def multiply(le):
    return le*multiple

li = list(map(multiply,li))
print(li)

1
2
3
4

li = [1,2,3,4]
multiple = 2.5
li = list(map(lambda x: x*multiple, li))
print(li)

1
2
3
4
5
6
7

import numpy as np
li = [1,2,3,4]
multiple = 2.5
arr = np.array(li)
arr = arr * multiple
li = arr.tolist()
print(li)