How do I parse a text file in Python and get the sum of the numbers present in the file?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

total = 0 with open('input.txt', 'r') as inp, open('output.txt', 'w') as outp: for line in inp: try: num = float(line) total += num outp.write(line) except ValueError: print('{} is not a number!'.format(line)) print('Total of...
read more
total = 0 with open('input.txt', 'r') as inp, open('output.txt', 'w') as outp: for line in inp: try: num = float(line) total += num outp.write(line) except ValueError: print('{} is not a number!'.format(line)) print('Total of all numbers: {}'.format(total)) read less
Comments

Related Questions

I am web developer with HTML and CSS knowledge, want to move a step ahead in programming web/desktop/mobile applications, which language is better, Python, Java or C#?
With knowledge of only HTML and CSS, Java and C# would be very difficult to catch up. Choose Python not just because it is easy but more relevant when combined with Django web framework. Even job opening...
Thomas
What is the use of learning the Python language?
By mastering Python, you open doors to diverse opportunities in web development, data science, artificial intelligence, and automation, positioning yourself for success in the dynamic tech landscape.
Aditi
0 0
5
What is python software?
Python is a dynamic and interpreted programming language. It is good for shell scripting, web development using django,flask framework and lot of package for data science inbuild make it a all round programming...
Vikram

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Code: Gantt Chart: Horizontal bar using matplotlib for tasks with Start Time and End Time
import pandas as pd from datetime import datetimeimport matplotlib.dates as datesimport matplotlib.pyplot as plt def gantt_chart(df_phase): # Now convert them to matplotlib's internal format... ...
R

Rishi B.

0 0
0

Visualize your python code
Hi All, Many developers in the beginning of their career want to visualize how their code is working and the program flow. You can use the following link to visualize your python code. http://www.pythontutor.com/visualize.html#mode=edit ...
S

Sudheer S

0 0
0

Python Programming
Python is a widely used general-purpose, high-level programming language. This is an Open Source Software and its source code is available with a license in which the Copyright holder provides the rights...

Built-In Functions (Python)
Built-in Functions: The Python interpreter has a number of functions built into it that are always available. They are listed here in alphabetical order. Built-in Functions abs() divmod() input() open() staticmethod() all() enumerate() int() ord() str() any() eval() isinstance() pow() sum() basestring() execfile() issubclass() print() super() bin() file() iter() property() tuple() bool() filter() len() range() type() bytearray() float() list() raw_input() unichr() callable() format() locals() reduce() unicode() chr() frozenset() long() reload() vars() classmethod() getattr() map() repr() xrange() cmp() globals() max() reversed() zip() compile() hasattr() memoryview() round() __import__() complex() hash() min() set() ...

Recommended Articles

Python is one of the most popular programming languages in the world. It is general-purpose, object oriented, high-level programming language used in a number of programming fields. Python is a great programming language to learn as it will introduce you to the world of programming. If you are from the technical background...

Read full article >

Almost all of us, inside the pocket, bag or on the table have a mobile phone, out of which 90% of us have a smartphone. The technology is advancing rapidly. When it comes to mobile phones, people today want much more than just making phone calls and playing games on the go. People now want instant access to all their business...

Read full article >

Applications engineering is a hot trend in the current IT market.  An applications engineer is responsible for designing and application of technology products relating to various aspects of computing. To accomplish this, he/she has to work collaboratively with the company’s manufacturing, marketing, sales, and customer...

Read full article >

Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...

Read full article >

Looking for Python Training classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you