#!/usr/bin/python3
def main():
	a=[1,2,"test"]
	for el in a:
		print (el)
	for i,_ in enumerate(a):
		print (f"a[{i}]={a[i]}")
	for i,val in enumerate(a):
		print (f"{i}={val}")
	for i in range(len(a)):
		print(f"{i}={a[i]}")

if __name__=="__main__":
	main()