Python

Question

我正在尝试在 python 中编写一个小程序，没有什么复杂的，但是非常长。刚才，我修改了一个 'if' 语句的条件，然后通过 MacOS 终端运行它，因为它有一个 Python shell / IDLE（我没有知道它在英语里怎么叫）。

我的文档恰好有 456 行，我得到的 'IndentationError' 位于 'line 457'，这是输出：

File "/Volumes/my usb key/MAIN_0.3.py", line 457
                    ^
IndentationError: expected an indented block

我真的不知道该怎么办，因为我程序的最后几行都是注释。如果你想要一些代码，我会尽量简单地（用英语）为大家提供，但我想首先知道运行它在 'Terminal' 中是否有问题, 因为真的很奇怪。

编辑：这里是一些代码：

#coding= utf-8
#here I put a lot of variables(38), which are all 'int' or 'randint(x, y)'
#then I define some functions, which are all calculus
#here is the main loop :
while (a!=10) and (b > 10):
    function_a(a)
    c=0
    while (c != 1) and (b > 0):
        while b != 0:
            print "\n"
            d=randint(0,20)
            if 0 <= d <= 3: #commentary explaining my program for my buddies at school
                b=function_b(b, e, f, g, h, i, j, a, k, l)
                if b <= 0: #commentary
                    m += n
                    p += a_b
                    if p > 1000: #commentary
                        p -= 1000
                        k += 1
                        print " BRAVO !"
                        print " now", k
                        time.sleep(1)
                        b += b_levelup
                        e += e_levelup
                        f += f_levelup
                        print " you won", b_levelup, "points"
                        time.sleep(1)
                        print " you won", e_levelup, "points"
                        time.sleep(1)
                        print " you won", f_levelup, "points"
                        time.sleep(1)
                print "\n"*2

            if 3 < d <= 8: #commentary

                b=function_b(b, e, f, g, q, r, s, a, k, t)

                if b <= 0: #commentary
                    m += u
                    p += v

                    if p > 1000: #
                        p -= 1000
                        k += 1
                        print " BRAVO !"
                        print " now", k
                        time.sleep(1)
                        b += b_levelup
                        e += e_levelup
                        f += f_levelup
                        print " you won", b_levelup, "points"
                        time.sleep(1)
                        print " you won", e_levelup, "points"
                        time.sleep(1)
                        print " you won", f_levelup, "points"
                        time.sleep(1)
                print "\n"*2

            if 8 < d <= 14: #commentary

                b=function_b(b, e, f, g, w, x, y, a, z, k, a_a)

                if b <= 0: #commentary
                    m += n
                    p += a_b
                    if p > 1000: #commentary
                        p -= 1000
                        k += 1
                        print " BRAVO !"
                        print " now", k
                        time.sleep(1)
                        b += b_levelup
                        e += e_levelup
                        f += f_levelup
                        print " you won", b_levelup, "points"
                        time.sleep(1)
                        print " you won", e_levelup, "points"
                        time.sleep(1)
                        print " you won", f_levelup, "points"
                        time.sleep(1)
                print "\n"*2

            if 15 <= d <= 16:#commentary
                a_c += 1
                function_c()

            if d == 17: #commentary
                a_d += 1
                function_d()

            #boss commentary
            if (d == 18) and (a_d == 0):
                print " mkay"
                time.sleep(2)
                print " nope"
                print " next door"

            #commentary
            if (d == 18) and (a_d >= 1):
                print " arrived"
                time.sleep(2)
                print " wanna go ?"
                print " yes - 1"
                print " No - any other"
                a_e=input(" ")
                if a_e == 1:
                    #boss commentary

Answer 1

评论不是陈述，所以当你这样做时

if something:
    # Comment

if没有body。那是一个语法错误。如果你想要一个 do-nothing 占位符 body，那就是 pass 语句的目的。

if something:
    # Comment
    pass

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