TASK-3

Task 3:
You are required to complete the function maximum(x). where "x" is a list of numbers. the function is expected to return the highest number in that list.
Example:
input : [5,20,12,6]
output: 20
you can change the numbers in the list no_list but you are not allowed to change the variable names or edit any other code, please only complete the function's definition.
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no_list = [1,2,3,4]

def maximum(no_list):
    #complete the function to return the highest number in the list

print(maximum(no_list))