Python Tutorial

Some practical examples, solutions and problems solved in the Python language

• Comparison operators
• If else
• If elif else
• Create a function
• How to concatenate strings
• Read a file

Classes and objects

• How to make a class

List

• How to make a list
• How to create a numeric list
• How to read a list
• How to read an item in a list
• How to copy a list
• Add elements to list
• Remove items from list
• Extract items from list
• Get first element of a list
• Get last element of a list
• Check if an element exists in a list
• How to make an iterator
• Converting list to iterator
• Converting iterator to list
• List Comprehension

Tuple

• How to make a tuple

File

• How to open a file for write

Python Graph

• How to draw a point on the graph

Mathematics

• How to find the factorial of a number
• How to round a number
• How to truncate a number
• How to write PI
• How to find greatest common divisor (GCD)
• How to fine least common multiple (LCM)
• How to calculate power of a number
• How to calculate logarithm
• How to calculate square of the binomial (a+b)²
• How to calculate binomial cube (a+b)³
• How to calculate exponential
• How to calculate nth root
• How to calculate algebraic expansion of power of a binomial

Statistics

• How to calculate arithmetic mean
• How to calculate mode
• How to find median value
• How to calculate variance

Mathematical analysis

• How to find a limit of a function
• How to calculate derivative of a function
• How to find derivative at a point
• How to calculate antiderivative ( Indefinitive Integral )
• How to calculate definitive integral

Linear algebra

• How to make a matrix
• How to make a vector
• Change array size
• Count array elements
• Create an array of sequential numbers
  Select an array element
• Make a matrix of ones
• Create a multidimensional array ( tensor )
• Multiply two matrices
• Extract a column from a matrix
• Transpose a matrix
• Find the determinant
• Find the numbers of rows and columns of a matrix
• Calculate the inverse matrix
• Create an identity matrix
• Calculate the cross product
• Calculate the scalar product
• Calculate eigenvectors
• Calculate eigenvalues

Trigonometry

• How to calculate sine
• How to calculate cosine
• How to calculate tangent
• How to find arcsine
• How to find arccosine
• How to find arctangent
• How to find cosecant
• How to find cotangent
• How to find secant