How to use while True in Python - GeeksforGeeks
Apr 28, 2025 · Python While Loop is used to execute a block of statements repeatedly until a given condition is satisfied. When the condition becomes false, the line immediately after the …
How to while loop until the end of a file in Python without …
Mar 13, 2015 · The call to readline() on a line with no text will return "\n", while at the end of the file it will return "" (an empty string). Another alternative is to call read() to get all of the file's …
Python .txt file & while loop - Stack Overflow
May 18, 2015 · Open the file named scores.txt and use a while loop that can detect the end of file to read the scores, and add them to the list and then close the file. Call the showscores …
python - Iteration over lines in a text file, returning line numbers ...
Jan 11, 2014 · def index(fileName, wordList): infile = open(fileName,'r') i = 0 lineNumber = 0 while True: for line in infile: lineNumber += 1 if wordList[i] in line.split(): print(wordList[i], lineNumber) …
While Loops in Python – While True Loop Statement Example
Jul 19, 2022 · A while loop repeats a block of code an unknown number of times until a condition is no longer met. for loops, on the other hand, repeat a block of code a fixed number of times. …
Python while Loops: Repeating Tasks Conditionally
Understand the syntax of Python while loops; Repeat tasks when a condition is true with while loops; Use while loops for tasks with an unknown number of iterations; Control loop execution …
While True Syntax Examples and Infinite Loops - Expertbeacon
Sep 3, 2024 · Mastering while loop best practices allows you to write robust, efficient, and scalable Python code across server-side, client-side, API, and database development projects. …
Python While Loop Tutorial – While True Syntax Examples and Infinite Loops
Nov 13, 2020 · How to write a while loop in Python. What infinite loops are and how to interrupt them. What while True is used for and its general syntax. How to use a break statement to …
Python Conditional Statements and Loops
Python provides two main types of loops: for loops and while loops. For Loops The for loop in Python is designed to iterate over a sequence (like a list, tuple, dictionary, set, or string):
Python While Loops - W3Schools
With the while loop we can execute a set of statements as long as a condition is true. Note: remember to increment i, or else the loop will continue forever. The while loop requires …
- Some results have been removed