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ceil(x)
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Returns the smallest integer greater than or equal to x
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copysign(x, y)
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Returns x with the sign of y
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fabs(x)
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Returns the absolute value of x
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factorial(x)
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Returns the factorial of x
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floor(x)
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Returns the largest integer less than or equal to x
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fmod(x, y)
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Returns the remainder when x is divided by y
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isfinite(x)
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Returns True if x is neither an infinity nor a NaN (Not a Number)
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isinf(x)
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Returns True if x is a positive or negative infinity
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isnan(x)
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Returns True if x is a NaN
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ldexp(x, i)
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Returns x (2*i)
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modf(x)
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Returns the fractional and integer parts of x
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exp(x)
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Returns e**x
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expm1(x)
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Returns e**x – 1
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log(x[, base])
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Returns the logarithm of x to the base (defaults to e)
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log2(x)
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Returns the base-2 logarithm of x
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log10(x)
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Returns the base-10 logarithm of x
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pow(x, y)
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Returns x raised to the power y
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sqrt(x)
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Returns the square root of x
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acos(x)
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Returns the arc cosine of x
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asin(x)
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Returns the arc sine of x
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atan(x)
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Returns the arc tangent of x
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atan2(y, x)
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Returns atan(y / x)
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cos(x)
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Returns the cosine of x
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hypot(x, y)
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Returns the Euclidean norm, sqrt(xx + yy)
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sin(x)
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Returns the sine of x
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tan(x)
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Returns the tangent of x
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degrees(x)
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Converts angle x from radians to degrees
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radians(x)
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Converts angle x from degrees to radians
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gamma(x)
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Returns the Gamma function at x
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lgamma(x)
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Returns the natural logarithm of the absolute value of the Gamma function at x
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pi
|
Mathematical constant, the ratio of circumference of a circle to it's diameter (3.14159...)
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e
|
mathematical constant e (2.71828...)
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S.add(e)
|
Adds the element e to the set S
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|
S1.update(S2)
|
Adds the items specified in the set S2 to the set S1
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S.remove(e)
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Remove the element e from the set S
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S.pop()
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Removes any element from the set S
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|
S.clear()
|
Remove all element from the set S
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S.copy()
|
Creates a copy of the set S
|
|
S1.union(S2)
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Returns a set containing elements from both S1 and S2
|
|
S1.intersection(S2)
|
Returns a set containing elements common in set S1 and S2
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|
S1.difference(S2)
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Returns a set containing elements in set S1 but not in S2
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|
S1.symmetric_difference(S2)
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Returns a set containing elements which are in one of the either sets S1 and S2, but not in both
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S.count(str)
|
Counts the number of times string str occurs in string S
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|
S.find(str)
|
Returns index of first occurrence of string str in string S, and -1 if str is not present int string S
|
|
S.rfind(str)
|
Returns index of last occurrence of string str in string S, and -1 if str is not present in string S
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|
S.capitalize()
|
Returns a string that has first letter of the string S in uppercase and rest of the characters in lowercase
|
|
S.title()
|
Returns a string that has first letter of every word in the string S in uppercase and rest of the characters in lowercase
|
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S.lower()
|
Returns a string that has all uppercase characters in string S converted into lowercase characters
|
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S.upper()
|
Returns a string that has all lower characters in string S converted into uppercase characters
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S.swapcase()
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Returns a string that has all lowercase characters in string S converted into uppercase characters and vice versa
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S.isupper()
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Returns True if all alphabets in string S are in uppercase,else False
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|
S.islower()
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Returns True if all alphabets in string S are in lowercase,else False
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|
S.istitle()
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Returns True if string S is in titlecase
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|
S.replace(str1,str2)
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Returns a string that has every occurrence of string str1 in S replaced by with the occurrence of string str2
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S.strip()
|
Returns a string that has whitespaces in S removed from start and end
|
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S.lstrip()
|
Returns a string that has whitespaces in S removed from start
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|
S.rstrip()
|
Returns a string that has whitespaces in S removed from end
|
|
S.split(delimeter)
|
Returns a list formed by splitting the string S into various substring. The delimeter is used to mark the split points
|
|
S.partition(delimeter)
|
Partitions the string S into two parts base on delimeter and returns a tuple comprising of string before delimeter
|
|
S.join(sequence)
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Returns a string comprising of elements of the sequence separated by delimeter S
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|
S.isspace()
|
Returns True if all characters in string S comprise of whitespace characters only,i.e. ' ', '\n', '\t' else False
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|
S.isalpha()
|
Returns True if all characters in string S comprise of alphabets only, else False
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|
S.isdigit()
|
Returns True if all characters in string S comprise of digits only, else False
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|
S.isalnum()
|
Returns True if all characters in string S comprise of alphabets and digits only, else False
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|
S.startswith(str)
|
Returns True if string S starts with string str,else False
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|
S.endswith(str)
|
Returns True if string S ends with string str,else False
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|
S.encode(str)
|
Returns S in encoded format according to the given encoding scheme
|
|
S.decode(str)
|
Returns the decoded string S according to the given encoding scheme
|
|
L.append(e)
|
Adds the element e to the end of the list L
|
|
L.extend(L2)
|
Adds the items specified in the list L2 at the end of the list L
|
|
L.remove(e)
|
Remove the element e from the list L
|
|
L.pop(i)
|
Removes the element specified at index i from the list L*
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|
L.count(e)
|
Returns count of occurrence of element e in list L
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|
L.index(e)
|
Returns index of element e from list L
|
|
L.insert(i,e)
|
Returns element e at the index i in list L
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|
L.sort()
|
Sorts the elements of the list L
|
|
L.reverse()
|
Reverses the order elements in list L
|
|
open(filename,mode)
|
Open a file and store it as an object
|
|
file.close()
|
Close a file which is opened
|
|
file.read()
|
Read whole data from file
|
|
file.readline()
|
Read a line from file
|
|
file.readlines()
|
Read all the lines in a list from file
|
|
file.write('data')
|
Write data in a file
|
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
