For_statement_full.py

def main():
    # basic use of for statements
    num = [1, 2, 3, 4, 5, 6]
    sum = 0
    for value in num:
        sum += value
    print("The sum of number is: ", sum)

    # using range in for loops
    sum = 0
    for value in range(1, 20, 2):
        sum += value
    print("The sum of number is: ", sum)

    # use of enumerate
    x = ['chennai', 'mumbai', 'delhi', 'kolkata']
    for i in enumerate(x, 10):
        print(i)

    # list comprehension to find the transpose of a matrix
    matrix = [[1, 2], [3, 4], [5, 6]]
    tm = [[row[i] for row in matrix] for i in range(len(matrix[0]))]
    print(tm)

    #Basic generator functions
    def rev_string(var):
        for i in range(len(var)-1, -1, -1):
            yield var[i]

    for char in rev_string('Hello'):
        print(char)



if __name__ == '__main__':
    main()