/Python/Python get first n elements of dict

Python get first n elements of dict

Access first element of dictionary python

res = next(iter(test_dict))

Take first n row of dictionary python

a_dictionary = {"name" : "John", "age" : 35, "height" : 65}

dict_items = a_dictionary.items()

first_two = list(dict_items)[:2]
print(first_two)

OUTPUT
[('name', 'John'), ('age', 35)]

first_three = list(dict_items)[:3]
print(first_three)

OUTPUT
[('name', 'John'), ('age', 35), ('height', 65)]

Python get first n elements of dict

"""
NOTE: dictionaries do NOT remember the order in which 
key : value pairs have been stored
"""
d = {"a" : 5, "b" : 1, "c" : 8, "d" : 4, "e" : 3, "f" : 10, "g": 2}
# getting the first n key : value pairs
n = 3
first_n = dict(zip(list(d.keys())[:n], list(d.values())[:n]))
first_n
>>> {'a': 5, 'b': 1, 'c': 8}

Similar codes

0 vote287 views1 answer
Get nonzero min numpy
Python
6 votes272 views3 answers
Infinty in python
Python
0 vote256 views1 answer
String in netcdf file python
Python
6 votes253 views4 answers
Python convert 12 hour time to 24 hour
Python
0 vote239 views1 answer
Runpy.py", line 194, in _run_module_as_main return _run_code(code, main_globals, None,
Python
-1 vote276 views1 answer
Requests save file python
Python
1 vote278 views1 answer
Flask blueprints
Python
49 votes275 views2 answers
Add new element to python dictionary
Python
18 votes253 views6 answers
Gui in python
Python
3 votes266 views1 answer
SQLalchemy delete by id
Python