Language: C

# from math import factorial,sqrt,ceil
# from itertools import permutations as permus
# from fractions import gcd
# from collections import deque,Counter
# from decimal import Decimal, getcontext
# # getcontext().prec = 1000
# # eps = Decimal(10) ** (-100)

# import numpy as np
# from scipy.sparse.csgraph import shortest_path, dijkstra, floyd_warshall, bellman_ford, johnson
# from scipy.sparse import csr_matrix

# strlist = "abcdefghijklmnopqrstuvwxyz"
n = input()

ans = "No"
if "7" in n:
    ans = "Yes"

print(ans)
# print(*ans)   # unpackして出力。間にスペースが入る
# for row in board:
#     print(*row,sep="")    #unpackして間にスペース入れずに出力する
# print("{:.10f}".format(ans))
# print("{:0=10d}".format(ans))


Compiler output:
main.c:1:3: error: invalid preprocessing directive #from
    1 | # from math import factorial,sqrt,ceil
      |   ^~~~
main.c:2:3: error: invalid preprocessing directive #from
    2 | # from itertools import permutations as permus
      |   ^~~~
main.c:3:3: error: invalid preprocessing directive #from
    3 | # from fractions import gcd
      |   ^~~~
main.c:4:3: error: invalid preprocessing directive #from
    4 | # from collections import deque,Counter
      |   ^~~~
main.c:5:3: error: invalid preprocessing directive #from
    5 | # from decimal import Decimal, getcontext
      |   ^~~~
main.c:6:3: error: invalid preprocessing directive ##
    6 | # # getcontext().prec = 1000
      |   ^
main.c:7:3: error: invalid preprocessing directive ##
    7 | # # eps = Decimal(10) ** (-100)
      |   ^
main.c:9:3: warning: #import is a deprecated GCC extension [-Wdeprecated]
    9 | # import numpy as np
      |   ^~~~~~
main.c:9:10: error: #import expects "FILENAME" or <FILENAME>
    9 | # import numpy as np
      |          ^~~~~
main.c:10:3: error: invalid preprocessing directive #from
   10 | # from scipy.sparse.csgraph import shortest_path, dijkstra, floyd_warshall, bellman_ford, johnson
      |   ^~~~
main.c:11:3: error: invalid preprocessing directive #from
   11 | # from scipy.sparse import csr_matrix
      |   ^~~~
main.c:13:3: error: invalid preprocessing directive #strlist
   13 | # strlist = "abcdefghijklmnopqrstuvwxyz"
      |   ^~~~~~~
main.c:14:1: warning: data definition has no type or storage class
   14 | n = input()
      | ^
main.c:14:1: error: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
main.c:14:5: error: implicit declaration of function 'input' [-Wimplicit-function-declaration]
   14 | n = input()
      |     ^~~~~
main.c:14:5: error: initializer element is not constant
main.c:16:1: error: expected ',' or ';' before 'ans'
   16 | ans = "No"
      | ^~~
main.c:21:3: error: invalid preprocessing directive #print
   21 | # print(*ans)   # unpackして出力。間にスペースが入る
      |   ^~~~~
main.c:22:3: error: invalid preprocessing directive #for
   22 | # for row in board:
      |   ^~~
main.c:23:7: error: invalid preprocessing directive #print
   23 | #     print(*row,sep="")    #unpackして間にスペース入れずに出力する
      |       ^~~~~
main.c:24:3: error: invalid preprocessing directive #print
   24 | # print("{:.10f}".format(ans))
      |   ^~~~~
main.c:25:3: error: invalid preprocessing directive #print
   25 | # print("{:0=10d}".format(ans))
      |   ^~~~~