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Thread: Python Launcher INI File
Post: Python Launcher INI File
| I cannot find the Python Launcher Configuration File (.INI) under C:\Windows or Under C:\Users\XXX\AppData\Local\ .
The launcher itself is found in C:\Windows and works on command-line. |
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leodavinci1990 |
General Coding Help |
1 |
815 |
Jul-30-2023, 02:41 PM |
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Thread: import statement in a virtual environment
Post: import statement in a virtual environment
| If I create a directory and activate a virtual environment inside it and then use PIP to install some packages.
Is this the case that as long as the virtual environment is active, the import statemen... |
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leodavinci1990 |
General Coding Help |
1 |
2,348 |
Mar-04-2021, 12:23 AM |
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Thread: print a line break in writelines() method
Post: print a line break in writelines() method
| lines=["Line 1","Line 2"]
f=open(r"C:\Users\....\Documents\somefile.txt","w")
f.writelines(lines)
f.close()
How to print a line breaker between items in lines variable (list) when placing them in th... |
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leodavinci1990 |
General Coding Help |
1 |
6,441 |
Oct-12-2020, 06:07 AM |
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Thread: Opening file and outputting its text content example
Post: Opening file and outputting its text content examp...
| If the Python file below is run on a text file containing the following:
Hello! Welcome to demofile.txt
This file is for testing purposes.
Good Luck!
Why does it return empty spaces in the output be... |
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leodavinci1990 |
General Coding Help |
1 |
1,875 |
Oct-12-2020, 05:27 AM |
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Thread: opening files and output of parsing
Post: RE: opening files and output of parsing
| (Oct-12-2020, 04:21 AM)leodavinci1990 Wrote: (Oct-01-2020, 02:27 AM)bowlofred Wrote: Usually you'll want to rstrip(), which by default removes any whitespace from the right end.
result = [line.rs... |
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leodavinci1990 |
General Coding Help |
4 |
2,525 |
Oct-12-2020, 04:33 AM |
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Thread: opening files and output of parsing
Post: RE: opening files and output of parsing
| (Oct-01-2020, 02:27 AM)bowlofred Wrote: Usually you'll want to rstrip(), which by default removes any whitespace from the right end.
result = [line.rstrip() for line in testfile if "2" in line] |
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leodavinci1990 |
General Coding Help |
4 |
2,525 |
Oct-12-2020, 04:21 AM |
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Thread: slicing and indexing a list example
Post: RE: slicing and indexing a list example
| (Oct-01-2020, 02:12 AM)bowlofred Wrote: In your comprehension, you've asked the list to be assembled from [w.lower(), len(w)]. So the elements are: a list, with the lowercasename first, and the leng... |
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leodavinci1990 |
General Coding Help |
4 |
2,324 |
Oct-12-2020, 04:13 AM |
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Thread: opening files and output of parsing
Post: opening files and output of parsing
| So I have the following text file named test.txt containing the following lines:
This is line 1.
This is line 2.
This is line 3.
The following code is used to parse the file:
testfile = open(r"C:\Us... |
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leodavinci1990 |
General Coding Help |
4 |
2,525 |
Oct-01-2020, 02:09 AM |
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Thread: slicing and indexing a list example
Post: slicing and indexing a list example
| I have the following code:
s = "The quick brown fox jumps over the lazy dog."
words = s.split()
lengths = [[w.lower(), len(w)] for w in words]
for length in lengths:
print(length)The output is:
['t... |
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leodavinci1990 |
General Coding Help |
4 |
2,324 |
Oct-01-2020, 01:27 AM |
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Thread: Changing to new Python formatting example
Post: Changing to new Python formatting example
| 1) Is the following changes to new style of Python Formatting correct? And if not, what is a better way to efficiently format by reduce no. of lines, etc.
2) For example, there is the f-string metho... |
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leodavinci1990 |
General Coding Help |
3 |
2,017 |
Sep-21-2020, 06:48 PM |
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Thread: Running scripts and location of saved interpreted user-defined classes and functions
Post: Running scripts and location of saved interpreted ...
| My general inception If the scripts containing user-defined functions and user-defined classes. And the Python shell is closed. These functions and classes are no longer available to be called or to h... |
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leodavinci1990 |
General Coding Help |
3 |
2,512 |
Aug-24-2020, 10:35 PM |
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Thread: print() examples
Post: print() examples
| print('%10s' % ('test',))What is the purpose or difference between the having the colon after the 'text' string as in code above and without it as in code below:
print('%10s' % ('test')The two pieces... |
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leodavinci1990 |
General Coding Help |
3 |
1,943 |
Aug-21-2020, 03:54 AM |
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Thread: printing strings with format
Post: printing strings with format
| Case 1: If I execute the following:
print('{} {}'.format('one', 'two'))the output in the IDLE shell will be
one two
Case 2: But I execute the following in IDLE:
>>> x = '{} {}'.format('on... |
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leodavinci1990 |
General Coding Help |
1 |
1,585 |
Aug-21-2020, 01:17 AM |
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Thread: print function help percentage and slash (multiple variables)
Post: RE: print function help percentage and slash (mult...
| Hi. Thanks bowlfred. That was super-helpful. As I tried to search for an explanation online and this answered it.
Can I have one question. What did you mean by return in
"the return does not termina... |
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leodavinci1990 |
General Coding Help |
3 |
2,468 |
Aug-10-2020, 02:21 AM |
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Thread: print function help percentage and slash (multiple variables)
Post: print function help percentage and slash (multiple...
| What is the function of adding a back slash in the following code after the percentage operator? I am testing it without the slash and it gives the same result.
Please note that I know I am not curren... |
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leodavinci1990 |
General Coding Help |
3 |
2,468 |
Aug-09-2020, 10:36 PM |
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Thread: Python Classes
Post: Python Classes
| from random import Random # library for randoms
class Die(object): # define the class
sides = [1,2,3,4,5,6]
def __init__(self): # METHOD
self.sideShowing = Die.sides[0] # PROPERTY
... |
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leodavinci1990 |
General Coding Help |
1 |
2,079 |
Nov-27-2019, 07:20 AM |
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Thread: Recursion
Post: RE: Recursion
| (Nov-21-2019, 11:03 AM)sumana Wrote: def power(base,exp): if(exp==1): return(base) if(exp!=1): return(base*power(base,exp-1)) base=int(input("Enter base: ")) exp=int(input("Enter exponential value: ... |
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leodavinci1990 |
General Coding Help |
7 |
2,770 |
Nov-27-2019, 07:16 AM |
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Thread: Recursion
Post: Recursion
| def power(n,p):
""" Return n to the power p. Works only for positive integers """
return n*power(n,p-1)
if __name__ == '__main__':
print(power(2,24))
Why does this return an error? |
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leodavinci1990 |
General Coding Help |
7 |
2,770 |
Nov-20-2019, 01:29 AM |
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Thread: Call to a print in a defined function
Post: Call to a print in a defined function
| def fib(n): # write Fibonacci series up to n
"""Print a Fibonacci series up to n."""
a = 0
b = 1
while a < n:
print(a, end=' ')
a, b = b, a+b
print()
# Now ca... |
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leodavinci1990 |
General Coding Help |
1 |
1,895 |
Nov-20-2019, 12:40 AM |
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Thread: Pass by reference vs Pass by value
Post: Pass by reference vs Pass by value
| #What is the output?
val=100
print(val)
def changeVal():
val=99
print(val)
changeVal()
print(val)
#What is the output?
vals=[100,100,100]
print(vals)
def changeVals():
vals[0]=99
pri... |
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leodavinci1990 |
General Coding Help |
1 |
2,196 |
Nov-19-2019, 11:55 PM |
