import random
rand = random.randint
randch = random.choice
arr = []

#skolko tut budet dvoetochii:
def HowMuch():
    j = rand(0,100)
    if j%2==0: KolDvoetoch = 2
    else: KolDvoetoch = 1

#generiruem massiv
def generate(KolSymb):
    k = ""
    def GetDvoetoch():
        if KolDvoetoch>0:
            KolDvoetoch = KolDvoetoch-1
            k = ":"
        else: k = randch("abc")

    for i in range(KolSymb+1):
        j = rand(0,10)
        if j==0: GetDvoetoch()          #esli ravno 0, vstavit' dvoetochie
        else: k = randch("abc")
    arr.append(k)

def go(n):
    HowMuch()
    generate(n)
    print arr

Traceback (most recent call last):
  File "<pyshell#38>", line 1, in <module>
    studmod.go(10)
  File "/home/nazarovd/python/studmod.py", line 28, in go
    generate(n)
  File "/home/nazarovd/python/studmod.py", line 23, in generate
    else: GetDvoetoch()
  File "/home/nazarovd/python/studmod.py", line 15, in GetDvoetoch
    if KolDvoetoch>0:
UnboundLocalError: local variable 'KolDvoetoch' referenced before assignment

import random
rand = random.randint
randch = random.choice
arr = []

#generiruem massiv
def generate(KolSymb):

    def HowMuch():
        j = rand(0,100)
        if j%2==0: KolDvoetoch = 2
        else: KolDvoetoch = 1

    def GetDvoetoch():
        if KolDvoetoch>0:
            KolDvoetoch = KolDvoetoch-1
            k = ":"
        else: k = randch("abc")


    k = ""
    HowMuch()

    for i in range(KolSymb+1):
        j = rand(0,10)
        if j==0: k = randch("abc")
        else: GetDvoetoch()
    arr.append(k)
    print arr

Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    studmod.generate(10)
  File "/home/nazarovd/python/studmod.py", line 27, in generate
    else: GetDvoetoch()
  File "/home/nazarovd/python/studmod.py", line 15, in GetDvoetoch
    if KolDvoetoch>0:
UnboundLocalError: local variable 'KolDvoetoch' referenced before assignment

a = "a"
def one(text):
    b = str(text)
    def two():
       a = b
    two()
    print a
one('Gerasim")

a=5
def b():
    a=10
    print a
b()
print a

a=5
def b():
    global a
    a=10
    print a
b()
print a

a=5
def b(t):
    t+=5
    return t
print a
a=b(a)
print a

def GetDvoetoch():
        global KolDvoetoch
        if KolDvoetoch>0:
            KolDvoetoch = KolDvoetoch-1
            k = ":"
        else: k = randch("abc")

import random
rand = random.randint
randch = random.choice
arr = []
global KolDvoetoch

#generiruem massiv
def generate(KolSymb):

    def HowMuch():
        j = rand(0,100)
        if j%2==0: KolDvoetoch = 2
        else: KolDvoetoch = 1

    def GetDvoetoch():
        if KolDvoetoch>0:
            KolDvoetoch = KolDvoetoch-1
            k = ":"
        else: k = randch("abcdefghigklmnopqrstuvwxyz")


    k = ""
    HowMuch()

    for i in range(KolSymb+1):
        j = rand(0,10)
        if j==0: k = randch("abcdefghigklmnopqrstuvwxyz")
        else: GetDvoetoch()
    arr.append(k)
    print arr