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Task/Real-constants-and-functions/Python/real-constants-and-functions.py

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+import math
+
+math.e          # e
+math.pi         # pi
+math.sqrt(x)    # square root  (Also commonly seen as x ** 0.5 to obviate importing the math module)
+math.log(x)     # natural logarithm
+math.log10(x)   # base 10 logarithm
+math.exp(x)     # e raised to the power of x
+abs(x)          # absolute value
+math.floor(x)   # floor
+math.ceil(x)    # ceiling
+x ** y          # exponentiation
+pow(x, y[, n])  # exponentiation [, modulo n (useful in certain encryption/decryption algorithms)]
+
+# The math module constants and functions can, of course, be imported directly by:
+#   from math import e, pi, sqrt, log, log10, exp, floor, ceil