Returning a tuple in Python is very easy as we have seen here. Just package them and return it or simply list all components of your tuple in the return statement. Likewise in unpacking them, use an assignment expression with the correct number of tuple arguments. By mastering the art of ...
Tuples can be used for multiple return values:Functions in Python can return multiple values by returning a tuple of values. This allows you to return multiple values without having to create a new class or data structure to hold the values. Tuples can be used to swap values:Since tuples ...
return map1, map2, map3 # I'm returning a tuple, but without parenthesis 解包多元素元组: a, b = (12, 14) print type(a) 输出: int 解包单元素元组: a, = (12, ) print type(a) 输出: int 除此以外: a = (12,) print type(a) 输出: tuple 在问题的示例中,您将变量'abc'分配给...
1. def match(pattern, string, flags=0): """Try to apply the pattern at the start of the string, returning a match object, or None if no match was found.""" # 在字符串的开头匹配pattern,返回Match匹配对象,如果没有不到匹配的对象,返回None。 return _compile(pattern, flags).match(string...
Returning Multiple Values in Python - GeeksforGeeks 在Python 中,我们使用 return Tuple 的方式,从函数中返回多个参数,并直接赋值给变量。 # A Python program to return multiple # values from a method using tuple # This function returns a tuple ...
Simple function returning a tuple. When the function is evaluated, the results are unpacked into separate names. Worse, the caller might access values inside the returned tuple by index.The problem with this approach is that this code is fragile to future changes. If the function changes (...
| | __call__( (cnn_face_detection_model_v1)arg1, (list)imgs [, (int)upsample_num_times=0 [, (int)batch_size=128]]) -> mmod_rectangless : | takes a list of images as input returning a 2d list of mmod rectangles | | __init__(...) | __init__( (object)arg1, (str)...
DataFrame.unstack([level, fill_value]) #Pivot a level of the (necessarily hierarchical) index labels, returning a DataFrame having a new level of column labels whose inner-most level consists of the pivoted index labels. DataFrame.melt([id_vars, value_vars, …]) #“Unpivots” a DataFrame ...
# Returning multiple values (with tuple assignments) def swap(x, y): return y, x # Return multiple values as a tuple without the parenthesis. # (Note: parenthesis have been excluded but can be included) x = 1 y = 2 x, y = swap(x, y) # => x = 2, y = 1 ...
An object capable of returning its members one at a time. Examples of iterables include all sequence types (such as list, str, and tuple) and some non-sequence types like dict, file objects, and objects of any classes you define with an iter() method or with a getitem() method that ...