方法1:
name = 'aflfte'
print("hello"+ name) #输出hello aflfte
方法2:
name = 'aflfte'
robot_name = 'robot'
print("hello {} {}".format(name,robot_name)) #输出hello aflfte robot
方法3:
name = 'aflfte'
robot_name = 'robot'
print(f"hello {name} {robot_name}") #输出hello aflfte robot
方法4:
name = 'aflfte'
print("hello",name) #输出hello aflfte
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