City Frequencies Output | Dataford Interview Questions

You are given an array of cities [Mumbai, Pune, Mumbai, Pune, Banglore, Hyderabad, Noida, Kolkata, Pune]. Print the city name and its frequency for each city (for example, Mumbai - 2, then Pune - 3). The function should return formatted strings in the order each city first appears. Input is a list of strings, and output is a list of strings formatted as City - count.

Constraints

0 <= cities.length <= 1000
Each city is a non-empty string
City names are case-sensitive
Output order follows first appearance in the input

Function Signature

def city_frequencies(cities):

Your question is City Frequencies Output. Start with the requirements in the Question tab.

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Problem

Constraints

0 <= cities.length <= 1000
Each city is a non-empty string
City names are case-sensitive
Output order follows first appearance in the input

Function Signature

def city_frequencies(cities):

Your question is City Frequencies Output. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.