MedicalCenters["Postcode"][0]
Location(75, Avenida Corregidora, Centro, Delegación Centro Histórico, Santiago de Querétaro, Municipio de Querétaro, Querétaro, 76000, México, (20.5955795, -100.39274225, 0.0))

    Venue         Venue Latitude Venue Longitude Venue Category Address
0 Lab. Corregidora  20.595621   -100.392677      Medical Center Location(75, Avenida Corregidora, Centro, Delegación Centro Histórico, Santiago de Querétaro, Municipio de Querétaro, Querétaro, 76000, México, (20.5955795, -100.39274225, 0.0))

# get zipcode from full address
import re 
MedicalCenters['Postcode'] = MedicalCenters['Address'].str.extract(r'\b\d{5}\b', expand=False) 

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-185-84c21a29d484> in <module>
      1 # get zipcode from full address
      2 import re
----> 3 MedicalCenters['Postcode'] = MedicalCenters['Address'].str.extract(r'\b\d{5}\b', expand=False)
~/opt/anaconda3/lib/python3.7/site-packages/pandas/core/strings.py in wrapper(self, *args, **kwargs)
   1950                 )
   1951                 raise TypeError(msg)
-> 1952             return func(self, *args, **kwargs)
   1954         wrapper.__name__ = func_name
~/opt/anaconda3/lib/python3.7/site-packages/pandas/core/strings.py in extract(self, pat, flags, expand)
   3037     @forbid_nonstring_types(["bytes"])
   3038     def extract(self, pat, flags=0, expand=True):
-> 3039         return str_extract(self, pat, flags=flags, expand=expand)
   3041     @copy(str_extractall)
~/opt/anaconda3/lib/python3.7/site-packages/pandas/core/strings.py in str_extract(arr, pat, flags, expand)
   1010         return _str_extract_frame(arr._orig, pat, flags=flags)
   1011     else:
-> 1012         result, name = _str_extract_noexpand(arr._parent, pat, flags=flags)
   1013         return arr._wrap_result(result, name=name, expand=expand)
~/opt/anaconda3/lib/python3.7/site-packages/pandas/core/strings.py in _str_extract_noexpand(arr, pat, flags)
    872     regex = re.compile(pat, flags=flags)
--> 873     groups_or_na = _groups_or_na_fun(regex)
    875     if regex.groups == 1:
~/opt/anaconda3/lib/python3.7/site-packages/pandas/core/strings.py in _groups_or_na_fun(regex)
    835     """Used in both extract_noexpand and extract_frame"""
    836     if regex.groups == 0:
--> 837         raise ValueError("pattern contains no capture groups")
    838     empty_row = [np.nan] * regex.groups
ValueError: pattern contains no capture groups
time: 39.5 ms