如何使函数在同一行上多次打印，例如print（'test'）* 3

Question

Let's say I have the code (although it doesn't do anything, just an example)

def myprint():
    print("foobar")
foo = random.randint(1, 6)
myprint() * foo    #Obviously doesn't work

What I want it to do is carry out print() 'foo' times. How do I do this?

Answer 1

You can change your code to this one:

def myprint(times):
    print(times*"foobar")
foo = random.randint(1, 6)
myprint(foo)

Answer 2

The "pythonic" way is with a for-loop:

for n in range(foo):
    printfunc()

(Note that if you define print like you did in python 3, you're masking the original print with your own).

Answer 3

for i in range(foo):
    print('test')

If you really want to do it as an expression that returns something arbitrary (typically very bad, or at least extremely hackish, form)...

[print('test') for _ in range(foo)]

Answer 4

Or if you want to be obscure about it and annoy people reading your code:

import random
print('\n'.join(["foo" for _ in range(random.randint(1,6))]))

Answer 5

This is why you shouldn't call your own function print

Python 3.2 (r32:88445, Dec  8 2011, 15:26:51) 
[GCC 4.5.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> help(print)

Help on built-in function print in module builtins:

print(...)
    print(value, ..., sep=' ', end='\n', file=sys.stdout)

    Prints the values to a stream, or to sys.stdout by default.
    Optional keyword arguments:
    file: a file-like object (stream); defaults to the current sys.stdout.
    sep:  string inserted between values, default a space.
    end:  string appended after the last value, default a newline.


>>> def print():
...     print("foobar")
... 
>>> help(print)

Help on function print in module __main__:

print()


>>>

oops now you have overwritten the builtin print so you can't use it to actually print stuff anymore