Standardize Mobile Number Using Decorators

Hacker
Rank
Score
48238
flag of Netherlands
00.00
48238
flag of India
00.00
48238
flag of United States
00.00
48238
flag of Hungary
00.00
48238
flag of India
00.00
48238
flag of Italy
00.00
48238
flag of United Kingdom
00.00
48238
flag of United Kingdom
00.00
48238
flag of Hong Kong
00.00

[deleted]

48238
flag of null
00.00
48238
flag of India
00.00
48238
flag of India
00.00
48238
flag of India
00.00
48238
flag of India
00.00
48238
flag of Spain
00.00
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