how to do a python for x in y loop in cpp code example

Example: python for loop

for x in range(10):
	print(x)
// output: 1,2,3,...,10
    
for x in range(10, 20, 2):
	print(x)
// output: 10, 12, 14, 16, 18, 20

list = [2, 3, "el"]
for x in list:
	print(x)
// output: 2, 3, "el"

for _ in range(10):
  print("a");
// Do the loop without using index