I type following code

```
z=1+2j
z=list(str(z))

```

I get output as

```
 ['(','1','+','2','j',')']

```

but when I write the following code 

```
 z=input('')
 z=list(str(z))
 print(z)

```

I get output as

```
['1','+','2','j']

```

and not the curve brackets in the list why?