inp_list=['1','2','3','4','a']
print("Original list",inp_list)
out_list=(','.join(inp_list))
print("After removing bracket",out_list)
inp_list=["1","2","3","4","5","a"]
print("Original list",inp_list)
out_list=(','.join(str(a)for a in inp_list))
print("After removing bracket",out_list)