# def square(x):
#     return x*x
# print(square(3)+square(3))

# x=0
# y=0
# def incr(x,y):
#     y=x+1
#     return y

# print(incr(5,6))

# nwcell=0
# def sqr(x):
#     global nwcell
#     nwcell=nwcell+1

#     return x*x
# print(sqr(8*5))

# x=1
# def f():
#     return x
# print(x)
# print(f)
# x=0
# def f():
#     x=2
#     return x
# print(x)
# print (f())
# print(x)

# x=1
# def f():
#     y=x
#     x=2
#     return x+y
# print(x)
# print (f())
# print(x)
# def increment(x,amount=1):
#     return x+amount
# print(increment(20,amount=3))

# sqr =lambda x:x*2
# print(sqr(5))

# print(max(2,3))
# print(len("helloworld"))
# print(count_digits(3444))
# print (2 < 3 or 3> 1)
# print (2 < 3 or not 3 > 1)

# print (2 < 3 and 3> 1)
# print (2 < 3 and not 3 > 1)

# import time
# print(time.asctime())

# import sys
# print (sys.argv[1])
