# integer argumentsprint("The number is:{:d}".format(123))# float argumentsprint("The float number is:{:f}".format(123.4567898))# octal, binary and hexadecimalformatprint("bin: {0:b}, oct: {0:o}, hex: {0:x}".format(12)) 输出 The number is: 123 The number is:123.456790 bin:...
You can also use object's__str__()and__repr__()functionality with shorthand notations usingformat(). Like__format__(), you can easily override object's__str__()and__repr_()methods. Example 12: __str()__ and __repr()__ shorthand !r and !s using format() ...
'_explode_shorthand_ip_string', '_get_address_key', '_ip', '_ip_int_from_prefix', '_ip_int_from_string', '_make_netmask', '_max_prefixlen', '_netmask_cache', '_parse_octet', '_prefix_from_ip_int', '_prefix_from_ip_string', '_prefix_from_prefix_string', '_report_invalid...
z = "The items in the basket are %s and %s" % (x,y) # 一个新的更好的字符串连接方式是通过.format()函数,推荐使用该方式 "{} is a {}".format("This", "placeholder") "{0} can be {1}".format("strings", "formatted") # You can use keywords if you don't want to count. "{...
Shorthand for ‘print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback, limit, file)’. (In fact, it uses sys.exc_info() to retrieve the same information in a thread-safe way.) 输出sys.exc_type, sys.exc_value, sys.exc_traceback, limit, file等异常信息,实际上是以线程安全的...
x = 0while x < 4: print(x) x += 1 # Shorthand for x = x + 1 Break x = 0for index in range(10): x = index * 10 if index == 5: break print(x) Continue for index in range(3, 8): x = index * 10 if index == 5:continue print(x) ...
Learn about Python conditional statements if, elif, else statements, indentation rules and shorthand if statements with examples. Python Set Python Sets are unordered collections of unique elements. Learn about Set datatype in Python, creating and modifying Sets and other useful Set operations available...
raise ValueError # shorthand for 'raise ValueError()' 如果您需要确定是否引发了异常但不打算处理它,则更简单的raise语句形式允许您重新引发异常: >>> >>> try: ... raise NameError('HiThere') ... except NameError: ... print('An exception flew by!') ... raise ... An exception flew by...
Important note:0Nis a shorthand for02don numbers, but it does something different on strings (while0Ndraises an exception on strings): >>>n=3>>>print(f"{n:04}")0003>>>n='Hi'>>>print(f"{n:04}")Hi00>>>print(f"{n:04d}")Traceback (most recent call last):File"<stdin>", lin...
shorthand.py 示例: #!/usr/bin/env python3 N = 100 a = 2 while a < N: print(str(a)) a *= a 1. 2. 3. 4. 5. 6. 运行之: $ ./shorthand.py 2 4 16 1. 2. 3. 4. 5. 表达式 通常我们书写表达式的时候,会在每一个运算符左右都放一个空格,这样使代码更可读,如: ...