Searching from phonebook, based on string input search.

s17q03_solution.py

''' Searching from phonebook, based on string input search '''

def file_input():
    filename = input("Please enter filename: ")
    return filename

def input_string():
    char_input = input("Please enter string you are searching for: ")
    return char_input.lower()

def reading_file(filename):
    with open("C:\\Users\\Ojha\\Documents\\Python exercises\\Python Scripts\\" + filename, 'r+') as FH:
        text = FH.read()
    return text

def file_data_operation(text, char_input):
    lines = text.split('\n')
    users = dict()
    for line in lines:
        line = line.lower()
        if char_input in line:
            user_data = line.split(':')
            users[user_data[0].capitalize()]= user_data[1]
    return users

def sorting_users(users):
    names = list(users.keys())
    names.sort()
    print("Your search in ascending order is: ")
    for name in names:
        print(name + ':' + users[name])

#main starts here
if __name__ == '__main__':
    filename = file_input()
    char_input = input_string()
    text = reading_file(filename)
    users = file_data_operation(text, char_input)
    sorting_users(users)