The compile() method returns a Python code object from the source (normal string, a byte string, or an AST object 将表达式字符串转化为 python 对象并执行 compile() Parameters source - a normal string, a byte string, or an
# | Base 0 means to interpret the base from the string as an integer literal. # | >>> int('0b100', base=0) # | 4 # | # | Built-in subclasses: # | bool # | # | Methods defined here: # | # | __abs__(self, /) # | abs(self) # | # | __add__(self, val...
| Base 0 means to interpret the base from the string as an integer literal. | >>> int('0b100', base=0) | 4 | | Methods defined here: | | __abs__(self, /) | abs(self) | | __add__(self, value, /) | Return self+value. ...
PythonBuilt in Functions Python has a set of built-in functions. FunctionDescription abs()Returns the absolute value of a number all()Returns True if all items in an iterable object are true any()Returns True if any item in an iterable object is true ...
# This generates a string similar to that returned by repr() in Python 2. ''' a = '中国' b = ascii(a) print(b) ''' # bin(x) 将一个整数转化成二进制 二进制前面有'-'时表示负数 用浮点数作参数会报错 # Convert an integer number to a binary string. The result is a valid ...
(), return a string containing a printable representation of anobject, but escape the non-ASCII characters in the string returned byrepr() using \\x, \\u or \\U escapes. This generates a string similarto that returned by repr() in Python 2.5 binHelp on built-in function bin in ...
string methods code snippetsDescription .capitalize Converts the first character to upper case .casefold Converts string into lower case .center Returns a centered string .count Returns the number of times a specified value occurs in a string .encode Returns an encoded version of the string .ends...
2、Python String center() Method center()方法返回字符串在字符串长度的中心。 填充是使用指定的fillchar完成的。 默认填充符是一个空格。 语法 str.center(width[, fillchar]) 参数 width − 这是字符串的总长度。 fillchar − 这是填充字符。 返回值 此方法返回返回字符串在字符串长度的中心。 代码 st...
str() The str() function is used to convert the specified value into a string. sum() The sum() function is used to get the sum of all items in an iterable. tuple() The tuple() function is used to create a tuple in Python. Iterable may be a sequence, a container that supports ...
unichrReturn the Unicode string of one character whose Unicode code is the integer i. varsReturns thedictproperty of an object zipReturns an iterator, from two or more iterators built-in methods code examplesDescription built_in.abs=>intAn example for using abs method ...