Question

3

Perform multiple statements in one line in Python 3.2.3

rated 0 times [ 3] [ 0] / answers: 1 / hits: 18464 / 2 Years ago, tue, june 14, 2022, 8:41:12

Is there a way to execute multiple statemens while performing them in one line, like this:

import time

print ("Ok, I know how to write programs in Python now.")

time.sleep(0.5)

print (".") # This should print on the same line as the previous print statement.

time.sleep(0.5)

print (".") # ... As should this one

... So the output should be:

Ok, I know how to write programs in Python now.*.*.

*Waits .5 seconds

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afyess

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4 Years ago

answered 2 Years ago vigorousom · Accepted Answer

In Python 2, the print statement automatically adds a line feed, so you need to use sys.stdout.write() instead. You will also have to import sys. The code you have written should look like this instead:

import time

import sys

sys.stdout.write("Ok, I know how to write programs in Python now.")

time.sleep(0.5)

sys.stdout.write(".")

time.sleep(0.5)

sys.stdout.write(".")

In Python 3, print is a function accepting keyword arguments. You can use the end keyword argument to specify what should be placed after your string. By default it's a new line character, but you can change it to an empty string:

import time

print("Ok, I know how to write programs in Python now.", end='')

time.sleep(0.5)

print(".", end='')

time.sleep(0.5)

print(".", end='')

Also, remember that streams are buffered, so it's better if you flush them:

import time

import sys

print("Ok, I know how to write programs in Python now.", end='')

sys.stdout.flush()

time.sleep(0.5)

print(".", end='')

sys.stdout.flush()

time.sleep(0.5)

print(".", end='')

sys.stdout.flush()