python 字符串拼接

parts = ['Is', 'Chicago', 'Not', 'Chicago?'] ' '.join(parts) 'Is Chicago Not Chicago?' ','.join(parts) 'Is,Chicago,Not,Chicago?' ''.join(parts) 'IsChicagoNotChicago?'

a = 'Is Chicago' b = 'Not Chicago?' a + ' ' + b 'Is Chicago Not Chicago?'

print('{} {}'.format(a,b)) Is Chicago Not Chicago? print(a + ' ' + b) Is Chicago Not Chicago?