摘要：1 x='nba FIFA' 2 print(x.upper()) 3 print(x.lower()) 4 print(x.swapcase()) 5 print() 6 7 x = 'abc' 8 print(x.center(10, '*')) 9 print(x.ljust(10, '*') 阅读全文

摘要：1 '''task1-1''' 2 print('hey,u') 3 print('hey','u') 4 x,y,z=1,2,3 5 print(x,y,z) 6 print('x=%d, y=%d,z=%d'%(x,y,z)) 7 print('x={},y={},z={}'.format(x, 阅读全文