由于word格式原因，建议复制到py thonprint (48 9)print(48 /9)年1.2print (int (7.6))print (eval('4 5 2'))年1.3print(x >0 or x 0)print(x >0 or x 0)#1.4 To define a function is to use the key.To return a value ofa fucntion is to use the key年1.5print(s)#1.6 Write a statement to form the string s to a certain length a#1.7指出下面程序存在的错误，并改正：count 0while count 100:print(count)1.8检查点5.9年1.9列表的append和insert(3,33)#1.10显示运行结果for i in range(1,5):j=0while j