What is the difference between 为 and 为了?
What is the difference between 为 and 为了, when both mean purpose(目的)?

Question

Answer

我为了见你，坐了一个小时火车
It took me one hour by train to see you.
Here, it means "in purpose of"

我为你买了一束花
I bought flowers for you .

Same meaning , but  use in different situations

Answer

为了：in order to,with the purpose or intention of doing or achieving sth.
我为了学好汉语，需要一个语言伙伴。
为:it sometimes  equal to 为了(in order to)，but  it  also with the Chinese meaning :给  我为你（sb.）写了一封信.