1 # -*- coding: ISO-8859-1 -*- 2 3 import sys 4 5 print "# sys.maxint:", 6 print sys.maxint 7 print "# sys.minint:", 8 print sys.minint 9 10 print "# sys.maxint + sys.minint:", 11 print sys.maxint + sys.minint 12 13 i = 2 ** 29 14 print i # 536870912 15 print hex(i) # 0x20000000 16 print oct(i) # 04000000000 17 18 j = -2 ** 29 19 print j # -536870912 20 print hex(j) # -0x20000000 21 print oct(j) # -04000000000 22 23 print i + j # 0 24 25 try: 26 print i - j 27 except OverflowError: 28 print "i - j: overflow occurred" 29 30 print i / i # 1 31 print i / j # -1 32 print j / j # 1 33 print j / i # -1 34 35 try: 36 print i * j 37 except OverflowError: 38 print "i * j: overflow occurred" 39 40 print i - i # 0 41 print j - j # 0 42 print ~j # 536870911 43 print i & ~j # 0 44 print i - 1 & ~j # 536870911 45 46 print hex(31) # 0x1f 47 print oct(31) # 037 48 49 print "# hash(sys.maxint):", 50 print hash(sys.maxint) 51 52 print "# hash((sys.maxint, 0)):", 53 print hash((sys.maxint, 0)) 54 55 print "# hash((sys.maxint - 1, 0)):", 56 print hash((sys.maxint - 1, 0)) 57 58 # Floating point numbers. 59 60 i = 2.0 ** 29 61 print i # 536870912.0 62 j = -2.0 ** 29 63 print j # -536870912.0 64 print i + j # 0 65 print i - j # -1073741824.0 66 print i * i # 2.8823037615171174e+17 67 68 try: 69 print i ** i 70 except OverflowError: 71 print "i ** i: overflow occurred" 72 73 # Test combining numbers with strings. 74 75 s = "Number is " + str(123) 76 s2 = "??? -> " + str(123) 77 print s.__class__ 78 print s2.__class__ 79 print s 80 print s2 81 82 sys.stdout.encoding = "UTF-8" 83 print s2
