Rutuja Mishra

stringio in python3

You should import stringIo as follows:- from io import StringIO Below is the code that can be used for fixing the given error in Python 3 is as follows: try: from StringIO import StringIO except ImportError: from io import StringIO

Python

Answered Apr 11, 2021 · 1.5K Views Read answer →

How to define a two-dimensional array in Python

In Python for defining 2d array, you can use list-comprehension as it is the best way to construct a 2D-array. Actually in Python array is nothing but a set of list values. # Here we are creating a list containing 5 lists, each of the 8 items, all set to 0. a, b = 8, 5; Matrix = [[0 for x in range(a)] for y in…

Python

Answered Apr 10, 2021 · 1.3K Views Read answer →

How do I install a Python package with a .whl file?

If you want to install it from the wheel, then keep the directory where the wheel is downloaded. use the below code: Install package_name.whl Now, use this: pip install --use-wheel --no-index --find-links=/where/its/downloaded package_name But, ensure that you have updated pip first to enable wheel support: pip…

Python

Answered Apr 10, 2021 · 1.9K Views Read answer →

Python NoneType object is not callable (beginner)

You want to pass the function object hi to your loop() function, not the result of a call to hi() (which is None since hi() doesn't return anything). You can use this: >>> loop(hi, 5) hi hi hi hi Hi This will help you pervent “nonetype' object is not callable” error.

Python

Answered Apr 9, 2021 · 1.7K Views Read answer →

Python “extend” for a dictionary

The best way to extend dictionary in python with another one dictionary is to use the dictionary comprehension with a dictionary mapping method:- a = { "a" : 1, "b" : 2 } b = { "c" : 3, "d" : 4 } c={**a, **b} print(c) Note : Python extend dictionary: The best way to extend a dictionary with another dictionary python…

Python

Answered Apr 9, 2021 · 1.6K Views Read answer →

Pretty printing XML in Python

There are many ways for Python XML Pretty print some of the important are as follows: import xml.dom.minidom dom = xml.dom.minidom.parse(xml_fname) pretty_xml_as_string = dom.toprettyxml() Another thing you can use that lxml has recently, updated, that includes a pretty print function. Below is the code for the same.…

Python

Answered Apr 8, 2021 · 1.2K Views Read answer →

How to list all functions in a Python module?

To list all functions in a Python module you can use dir(module). You can also use the inspect module, it will also list all the functions in a Python module. Use the below code for the same:- from inspect import getmembers, isfunction from my_project import my_module functions_list = [o for o in…

Python

Answered Apr 7, 2021 · 3.4K Views Read answer →

Making Python loggers output all messages to stdout in addition to log file

For making Python loggers output all messages to stdout in addition to the log file you can use the following method which is using logging and sys module to : import logging import sys logging.basicConfig(stream=sys.stdout, level=logging.DEBUG) Note All the logging output is handled by the handlers, you just need to…

Python

Answered Apr 7, 2021 · 6.3K Views Read answer →

python-How to measure time elapsed?

To measure the elapsed wall-clock time between 2 points, you may use time.time(): The following code gives the execution time in seconds: import time start = time.time() print("hello") end = time.time() print(end - start) Note: To measure time elapsed during program's execution, either use time. clock() or time.…

Python

Answered Apr 6, 2021 · 1.3K Views Read answer →

Python unhashable type: 'numpy.ndarray'

Since you are getting error unhashable type 'numpy.ndarray' means you need to convert it into to tuple. hash(tuple(np.array([1,2,3,4])))

Python

Answered Apr 6, 2021 · 1.2K Views Read answer →

python string replace not working

You are getting this replacement issue because you are using the replace method incorrectly. You can do it using the below code: name="abc000" modified_name=name.replace(“000”,””) print(modified_name) Note: When you call the replace method on a string in python you get a new string with the contents replaced as…

Python

Answered Apr 5, 2021 · 2.5K Views Read answer →

Which of the following data types is immutable in python?

The answer is option “C” Tuple. The tuple is immutable i.e we can change the elements, delete the existing elements, and cannot add new elements. Here is an example of what will happen if you try to reassign an element in a tuple: a = (1, 2, 3, 4) a[0] = 1 On running the above code, you will get an error message…

Python

Answered Apr 4, 2021 · 1.6K Views Read answer →