# operators
# + - * / // ** %
# * : polymorphic:
# numbers : multiplicative
# str and int : replicative
# list and int : replicative
# tuple and int : replicative
print(3 * 4, 2*"pes"'q'*2, 3*[1, "2"]*1 , 2*(1, 2) * 2)
print(4 * "pes")
#print({1:2} * 4)
print(3 + 4 , "pes" + "it", [1, 2] + [3, 4])
# ** : exponentian op; right associative
print(2 ** 3, 2 ** 3 ** 2) # 8 512
print(26 /5, 26.0// 5, 25 % 4, 25.8 % 4.2)
# relop : == <= >= != < > in
# bool : True False
print (5 == 5) # True
print (5 == 5 == 5) # True
# a == b == c => (a == b) and (b == c)
# True : 5 -5 "pes" [11] non empty data structure
# False: 0 "" [] empty data structure
# logical op :
# 'C' 1 && 2 : 1
# 1 & 2 : 0
# Python: logical : not and or
# bitwise & | ^ ~ << >>
# short ckt eval
# eval left to right logical expr
# stop as soon as the truth or falsehood is found
# a = 0; b = 10
# c = b / a > 2 # error
# c = (a == 0) or (b / a > 2)
a = b = 10
print(a, b)
a = (b != 10)
print(a, b)
