x = 10 if x > 1: # x> 1 return True or Flase, x>1 is expression print("x is greater than 1") else: print("x is less than 1") print(1 == True) # 1 is True, 0 is False print(0 == True) x = (None or [] or {} or False) # falsy value #print(x) x = (None or [] or 1 or {} or False) # trusy value return 1, if 0, return false #print(x) x = (True and {"name":"john"} and [1] and False) #print(x) x = (True and [] and {"name":"john"} and [1] and False) print(x) # print [] def z(x): print("I am from function z.",x) x = 10 if print("I am at if statement") or z(x) or x > 1: # x > 1 return True or False print("x is greater than 1") else: print("x is less than 1") default_city = "TST" city = '' city = (city or print("please input city") or default_city) print(city) # print "please input city" and "TST" because city var. is False default_city = "TST" city = 'kn' city = (city or print("please input city") or default_city) print(city) # print 'kn' value = ((1,) and [1] and 1 and 1.0) print(value) # print "1.0" x = 5 value = (x == 5 and x < 10) # == and < are logic operators. So, the result returns True or False print(value) # print "True" x = 10 if x > 125: print("x is larger than 125") elif x > 10: print("x is larger than 10") else: print("x is less than or equal to 10") if (-1): print("x is larger than 125") elif (-1): print("x is larger than 10") else: print("x is less than or equal to 10")