Dsa
Hashing
Warm-up
Count Stock Tickers
You are given a list of stock ticker symbols along with their counts indicating how many times they appear in the stocks bought or sold. Your task is to count the total occurrences of each ticker symbol and print them in a specific format.
Input format:
- The first line contains an integer N (1 ≤ N ≤ 1000), the number of ticker symbols.
- The next N lines each contain a string, the ticker symbol.
Output format:
- Print each ticker symbol followed by its count. Each output should be on a new line in the format: 'TICKER COUNT'.
Example Input:
4
AAPL
GOOGL
AAPL
MSFT
Example Output:
AAPL 2
GOOGL 1
MSFT 1
Key concepts
hashingdictionariescounting
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