# Let's watch a parade!
## Brief
You're going to watch a parade, but you only care about one of the groups marching. The parade passes through the street where your house is. Your house is at number `location` of the street. Write a function `parade_time` that will tell you the times when you need to appear to see all appearences of that group.

## Specifications
You'll be given:

* A `list` of `string`s containing `groups` in the parade, in order of appearance. A group may appear multiple times. You want to see all the parts of your favorite group.
* An positive `integer` with the `location` on the parade route where you'll be watching.
* An positive `integer` with the `speed` of the parade
* A `string` with the `pref`ferred group you'd like to see

You need to return the time(s) you need to be at the parade to see your favorite group as a `list` of `integer`s.

It's possible the group won't be at your `location` at an exact `time`. In that case, just be sure to get there right before it passes (i.e. the largest integer `time` before the float passes the `position`).

## Example
```python
groups = ['A','B','C','D','E','F']
location = 3
speed = 2
pref = 'C'
                  v
Locations: |0|1|2|3|4|5|6|7|8|9|...
F E D C B A      | |               time = 0
> > F E D C B A  | |               time = 1
    > > F E D C B|A|               time = 2
        > > F E D|C|B A            time = 3
                  ^
parade_time(['A','B','C','D','E','F'], 3, 2,'C']) == [3]
```

```python

USER_FILENAME = "<user_code>"
import sys, json, builtins
import math, heapq, bisect, itertools, functools, collections, statistics, fractions, decimal, operator, array, random, re, string, os, pathlib
try:
    import resource as _res
except Exception:
    _res = None
from collections import Counter, defaultdict, deque, OrderedDict
from functools import lru_cache, reduce
from itertools import accumulate, permutations, combinations, product
from math import gcd, ceil, floor, sqrt
from decimal import Decimal
try:
    from typing import *
except Exception:
    pass
try:
    sys.setrecursionlimit(1_000_000)
except Exception:
    pass
try:
    import site as _site
    try:
        _sys_sites = _site.getsitepackages() if hasattr(_site, "getsitepackages") else []
        for _p in _sys_sites:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
    try:
        _usp = _site.getusersitepackages()
        if isinstance(_usp, str):
            _usp = [_usp]
        for _p in _usp:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
except Exception:
    pass

def _disabled_input(*args, **kwargs):
    raise RuntimeError("input() is disabled in callable mode")
builtins.input = _disabled_input

ns = {"__name__": "__judge__"}  # prevent if __name__ == "__main__" blocks
for _k, _v in list(globals().items()):
    if not _k.startswith("_"):
        ns[_k] = _v
_CODE = 'def parade_time(groups, location, speed, pref):\n    return [c // speed for c, p in enumerate(groups, 1 + location) if p == pref]'
_co = compile(_CODE, USER_FILENAME, "exec")
exec(_co, ns, ns)

_target = None
_fn_name = 'parade_time'
if _fn_name:
    if "Solution" in ns:
        try:
            _obj = ns["Solution"]()
            if hasattr(_obj, _fn_name):
                _target = getattr(_obj, _fn_name)
        except Exception:
            _target = None
    if _target is None and _fn_name in ns and callable(ns[_fn_name]):
        _target = ns[_fn_name]
# Fallback: if there's exactly one user-defined function, use it
if _target is None:
    _cands = [v for k, v in ns.items() if callable(v) and getattr(v, "__module__", "") in ("__judge__", "__main__")]
    _user_funcs = [c for c in _cands if getattr(c, "__name__", "").startswith("_") is False]
    if len(_user_funcs) == 1:
        _target = _user_funcs[0]
if _target is None:
    raise RuntimeError(f"Could not resolve callable '{_fn_name}'")

_raw = sys.stdin.read().strip()
if _raw:
    _parsed = json.loads(_raw)
    if isinstance(_parsed, dict):
        _kwargs = _parsed.get("kwargs", {})
        _args = _parsed.get("args", [])
    else:
        _args, _kwargs = _parsed, {}
else:
    _args, _kwargs = [], {}
if not isinstance(_args, (list, tuple)):
    _args = [_args]
_res = _target(*_args, **_kwargs)
try:
    sys.stdout.write(repr(_res) + "\n")
except Exception:
    pass

```

Measured memory_bytes: 5590