复数(complex): 复数由实数部分和虚数部分构成,可以用a + bj,或者complex(a,b)表示, 复数的实部a和虚部b都是浮点型。 我们也可以使用十六进制和八进制代表整数: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>number=0xA0F# 十六进制>>>number2575>>>number=0o37# 八进制>>>number31 3.1Python...
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Strings can beconcatenatedto build longer strings using the plus sign and also they can bemultipliedby a number, which results in the continuous repetition of the string as many times as the number indicates. Also, if we want to find out thelengthof the string, we simply have to use thelen...
In programming, type conversion is the process of converting one type of number into another. Operations like addition, subtraction convert integers to float implicitly (automatically), if one of the operands is float. For example, print(1+2.0)# prints 3.0 Run Code Here, we can see above tha...
last=a[-1] for i inrange(len(a)-2,-1,-1): if last==a[i]: del a[i] else:last=a[i] print(a) 10、下面的代码在Python2中的输出是什么?解释你的答案 def div1(x,y): print “%s/%s = %s” % (x, y, x/y)def div2(x,y): ...
Return sends a specified value back to its caller whereas Yield can produce a sequence of values. We should use yield when we want to iterate over a sequence, but don't want to store the entire sequence in memory. import sys # for example when reading a large file, we only care about...
con = cx_Oracle.connect('pythonhol/welcome@127.0.0.1/orcl') ver = con.version.split(".") for v in ver: print v if v == "11": print "It's 11" else: print "Not 11" con.close() 确保缩进正确! 使用冒号“:”表示代码块。第一个 print 和 if 位于同一个缩进级别,因为它们两个都...
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World! """ def add(a, b): return a + b c = add(10, 20) >>> code = compile(open("test.py").read(), "test.py", "exec") >>> code.co_filename, code.co_name, code.co_names ('test.py', '', ('__doc__', 'add', 'c')) >>> code.co_consts ('\n Hello, World...
首先,假设number1包含最小值,第8行将其赋值给变量minimum。当然,number2或number3可能包含真正的最小值,因此必须将另外两个值与最小值进行比较。 然后,第一个if语句(第10～11行)测试条件number2<minimum,如果此条件为True,则将number2赋值给minimum。