what does break command do in python code example

Example 1: python break

nums = [6,8,0,5,3]
product = 1

for num in nums:
  if num == 0:
    product = 0
    break # stops the for loop
  product *= num

print(product)

Example 2: how to break a loop in python

x = 0
while True:
    x += 1
    if x == 10:
        break