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Use the insert method to add "lemon" as the second item in the fruits list. 使用insert方法将“柠檬”添加为fruits列表中的第二项。 #题目: fruits = ["apple", "banana", "cherry"] ___ "lemon") #答案: fruits = ["apple", "banana", "cherry"] fruits.insert(1, "lemon") Use the cor...
ExampleGet your own Python ServerConvert different degrees into radians:# Import math Libraryimport math # Convert different degrees into radiansprint(math.radians(180))print(math.radians(100.03)) print(math.radians(-20)) Try it Yourself » Definition and UsageThe math.radians() method converts ...
Theinsert()method inserts an item at the specified index: Example Insert "watermelon" as the third item: thislist = ["apple","banana","cherry"] thislist.insert(2,"watermelon") print(thislist) Try it Yourself » Note:As a result of the example above, the list will now contain 4 ...
ExampleGet your own Python Server Find the arc sine of a complex number: #import cmath for complex number operations import cmath#find the arc sine of a complex numberprint (cmath.asin(2 + 3j)) Try it Yourself » Definition and UsageThe cmath.asin() method returns the arc sine of...
Tip: To calculate the standard deviation from a sample of data, look at the statistics.stdev() method. Syntaxstatistics.pstdev(data, xbar) Parameter ValuesParameterDescription data Required. The data values to be used (can be any sequence, list or iterator) xbar Optional. The mean of the ...
The statistics.harmonic_mean() method calculates the harmonic mean (central location) of the given data set.Harmonic mean = The reciprocal of the arithmetic mean() of the reciprocals of the data.The harmonic mean is calculated as follows:...
ExampleGet your own Python Server Find the arc cosine of a complex number: #import cmath for complex number operations import cmath#find the arc cosine of a complex numberprint (cmath.acos(2+3j)) Try it Yourself » Definition and UsageThe cmath.acos() method returns the arc cosine ...
The cmath.phase() method returns the phase of a complex number.A complx number can be expressed in terms of its magnitude and angle. This angle is between vector (representing complex number) and positive x-axis is called Phase.Note: Output is always between -π and π....
The object in theupdate()method does not have to be a set, it can be any iterable object (tuples, lists, dictionaries etc.). Example Add elements of a list to at set: thisset = {"apple","banana","cherry"} mylist = ["kiwi","orange"] ...