OUTPUT WRONG

Issue Type: Bug

when I use code runner，the output is different from debug console。
my test code is ：
`a = '{0:^8}\t{1:{3}^8}\t{2:^8}' print(a.format('学生序号', '姓名', '分数', chr(12288))) print(a.format('01', '张三', '80', chr(12288))) print(a.format('02', '诸葛小三', '80', chr(12288)))`
output display：（which is wrong）

but when i use debug，dubug console display：

Extension version: 0.9.15
VS Code version: Code 1.40.1 (8795a9889db74563ddd43eb0a897a2384129a619, 2019-11-13T16:49:35.976Z)
OS version: Windows_NT x64 10.0.18362

System Info

|Item|Value|
|---|---|
|CPUs|Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz (6 x 3000)|
|GPU Status|2d_canvas: enabled
flash_3d: enabled
flash_stage3d: enabled
flash_stage3d_baseline: enabled
gpu_compositing: enabled
metal: disabled_off
multiple_raster_threads: enabled_on
oop_rasterization: disabled_off
protected_video_decode: unavailable_off
rasterization: enabled
skia_renderer: disabled_off
surface_control: disabled_off
surface_synchronization: enabled_on
video_decode: enabled
viz_display_compositor: enabled_on
viz_hit_test_surface_layer: disabled_off
webgl: enabled
webgl2: enabled|
|Load (avg)|undefined|
|Memory (System)|7.87GB (3.64GB free)|
|Process Argv||
|Screen Reader|no|
|VM|0%|